test: Remove unused create_coinbase imports

diff --git a/test/functional/example_test.py b/test/functional/example_test.py
index 51fc762a..e5bb2ce0 100755
--- a/test/functional/example_test.py
+++ b/test/functional/example_test.py
@@ -17,7 +17,6 @@ from collections import defaultdict
 # Use lexicographically sorted multi-line imports
 from test_framework.blocktools import (
     create_block,
-    create_coinbase,
 )
 from test_framework.messages import (
     CInv,
diff --git a/test/functional/feature_assumeutxo.py b/test/functional/feature_assumeutxo.py
index e188d39a..ae130ee2 100755
--- a/test/functional/feature_assumeutxo.py
+++ b/test/functional/feature_assumeutxo.py
@@ -14,7 +14,6 @@ import contextlib
 from dataclasses import dataclass
 from test_framework.blocktools import (
         create_block,
-        create_coinbase
 )
 from test_framework.compressor import (
     compress_amount,
diff --git a/test/functional/feature_cltv.py b/test/functional/feature_cltv.py
index ee31c3c5..0c5ad951 100755
--- a/test/functional/feature_cltv.py
+++ b/test/functional/feature_cltv.py
@@ -10,7 +10,6 @@ Test that the CHECKLOCKTIMEVERIFY soft-fork activates.
 from test_framework.blocktools import (
     TIME_GENESIS_BLOCK,
     create_block,
-    create_coinbase,
 )
 from test_framework.messages import (
     CTransaction,
diff --git a/test/functional/feature_csv_activation.py b/test/functional/feature_csv_activation.py
index 3f8779b1..658b8900 100755
--- a/test/functional/feature_csv_activation.py
+++ b/test/functional/feature_csv_activation.py
@@ -42,7 +42,6 @@ import time
 
 from test_framework.blocktools import (
     create_block,
-    create_coinbase,
 )
 from test_framework.p2p import P2PDataStore
 from test_framework.script import (
diff --git a/test/functional/feature_dersig.py b/test/functional/feature_dersig.py
index e87dd8c8..8c0549c4 100755
--- a/test/functional/feature_dersig.py
+++ b/test/functional/feature_dersig.py
@@ -9,7 +9,6 @@ Test the DERSIG soft-fork activation on regtest.
 
 from test_framework.blocktools import (
     create_block,
-    create_coinbase,
 )
 from test_framework.messages import msg_block
 from test_framework.p2p import P2PInterface
diff --git a/test/functional/feature_notifications.py b/test/functional/feature_notifications.py
index 517af330..71500cc6 100755
--- a/test/functional/feature_notifications.py
+++ b/test/functional/feature_notifications.py
@@ -9,7 +9,6 @@ import platform
 from test_framework.address import ADDRESS_BCRT1_UNSPENDABLE
 from test_framework.blocktools import (
     create_block,
-    create_coinbase,
 )
 from test_framework.descriptors import descsum_create
 from test_framework.test_framework import BitcoinTestFramework
diff --git a/test/functional/feature_versionbits_warning.py b/test/functional/feature_versionbits_warning.py
index 545b9ec9..e1e9ff43 100755
--- a/test/functional/feature_versionbits_warning.py
+++ b/test/functional/feature_versionbits_warning.py
@@ -10,7 +10,7 @@ soft-forks, and test that warning alerts are generated.
 import os
 import re
 
-from test_framework.blocktools import create_block, create_coinbase
+from test_framework.blocktools import create_block
 from test_framework.messages import msg_block
 from test_framework.p2p import P2PInterface
 from test_framework.test_framework import BitcoinTestFramework
diff --git a/test/functional/p2p_eviction.py b/test/functional/p2p_eviction.py
index ad0c92e1..c96f2a2c 100755
--- a/test/functional/p2p_eviction.py
+++ b/test/functional/p2p_eviction.py
@@ -16,7 +16,6 @@ import time
 
 from test_framework.blocktools import (
     create_block,
-    create_coinbase,
 )
 from test_framework.messages import (
     msg_pong,
diff --git a/test/functional/p2p_ibd_stalling.py b/test/functional/p2p_ibd_stalling.py
index d58bc3f1..492df13b 100755
--- a/test/functional/p2p_ibd_stalling.py
+++ b/test/functional/p2p_ibd_stalling.py
@@ -10,7 +10,6 @@ import time
 
 from test_framework.blocktools import (
         create_block,
-        create_coinbase
 )
 from test_framework.messages import (
         MSG_BLOCK,
diff --git a/test/functional/p2p_ibd_txrelay.py b/test/functional/p2p_ibd_txrelay.py
index 0359013e..e7e23efc 100755
--- a/test/functional/p2p_ibd_txrelay.py
+++ b/test/functional/p2p_ibd_txrelay.py
@@ -11,7 +11,7 @@
 from decimal import Decimal
 import time
 
-from test_framework.blocktools import create_block, create_coinbase
+from test_framework.blocktools import create_block
 from test_framework.messages import (
         CInv,
         COIN,
diff --git a/test/functional/p2p_invalid_tx.py b/test/functional/p2p_invalid_tx.py
index ff4919f6..b0855ec9 100755
--- a/test/functional/p2p_invalid_tx.py
+++ b/test/functional/p2p_invalid_tx.py
@@ -5,7 +5,7 @@
 """Test node responses to invalid transactions.
 
 In this test we connect to one node over p2p, and test tx requests."""
-from test_framework.blocktools import create_block, create_coinbase
+from test_framework.blocktools import create_block
 from test_framework.messages import (
     COIN,
     COutPoint,
diff --git a/test/functional/p2p_segwit.py b/test/functional/p2p_segwit.py
index 3da88749..92ebe21a 100755
--- a/test/functional/p2p_segwit.py
+++ b/test/functional/p2p_segwit.py
@@ -10,7 +10,6 @@ from test_framework.blocktools import (
     WITNESS_COMMITMENT_HEADER,
     add_witness_commitment,
     create_block,
-    create_coinbase,
 )
 from test_framework.messages import (
     MAX_BIP125_RBF_SEQUENCE,
diff --git a/test/functional/p2p_sendheaders.py b/test/functional/p2p_sendheaders.py
index 161994af..cc28fc05 100755
--- a/test/functional/p2p_sendheaders.py
+++ b/test/functional/p2p_sendheaders.py
@@ -79,7 +79,7 @@ a. Repeat 100 times:
 b. Then send 99 more headers that don't connect.
    Expect: getheaders message each time.
 """
-from test_framework.blocktools import create_block, create_coinbase
+from test_framework.blocktools import create_block
 from test_framework.messages import CInv
 from test_framework.p2p import (
     CBlockHeader,
diff --git a/test/functional/p2p_unrequested_blocks.py b/test/functional/p2p_unrequested_blocks.py
index 70f39f7b..64c33c87 100755
--- a/test/functional/p2p_unrequested_blocks.py
+++ b/test/functional/p2p_unrequested_blocks.py
@@ -53,7 +53,7 @@ Node1 is unused in tests 3-7:
 
 import time
 
-from test_framework.blocktools import create_block, create_coinbase, create_tx_with_script
+from test_framework.blocktools import create_block, create_tx_with_script
 from test_framework.messages import CBlockHeader, CInv, MSG_BLOCK, msg_block, msg_headers, msg_inv
 from test_framework.p2p import p2p_lock, P2PInterface
 from test_framework.test_framework import BitcoinTestFramework
diff --git a/test/functional/p2p_v2_encrypted.py b/test/functional/p2p_v2_encrypted.py
index 2d5df19f..4a054799 100755
--- a/test/functional/p2p_v2_encrypted.py
+++ b/test/functional/p2p_v2_encrypted.py
@@ -7,7 +7,6 @@ Test encrypted v2 p2p proposed in BIP 324
 """
 from test_framework.blocktools import (
     create_block,
-    create_coinbase,
 )
 from test_framework.p2p import (
     P2PDataStore,
diff --git a/test/functional/rpc_invalidateblock.py b/test/functional/rpc_invalidateblock.py
index 5e87ce47..d98d9aa8 100755
--- a/test/functional/rpc_invalidateblock.py
+++ b/test/functional/rpc_invalidateblock.py
@@ -8,7 +8,6 @@ from test_framework.test_framework import BitcoinTestFramework
 from test_framework.address import ADDRESS_BCRT1_UNSPENDABLE_DESCRIPTOR
 from test_framework.blocktools import (
     create_block,
-    create_coinbase,
 )
 from test_framework.util import (
     assert_equal,
diff --git a/test/functional/wallet_resendwallettransactions.py b/test/functional/wallet_resendwallettransactions.py
index 89d22f4b..1b15fa17 100755
--- a/test/functional/wallet_resendwallettransactions.py
+++ b/test/functional/wallet_resendwallettransactions.py
@@ -9,7 +9,6 @@ from decimal import Decimal
 
 from test_framework.blocktools import (
     create_block,
-    create_coinbase,
 )
 from test_framework.messages import DEFAULT_MEMPOOL_EXPIRY_HOURS
 from test_framework.p2p import P2PTxInvStore