scripted-diff: fix leftover references to `policy/fees.h`

diff --git a/src/wallet/rpc/spend.cpp b/src/wallet/rpc/spend.cpp
index d00547a8..d765dc11 100644
--- a/src/wallet/rpc/spend.cpp
+++ b/src/wallet/rpc/spend.cpp
@@ -203,7 +203,7 @@ UniValue SendMoney(CWallet& wallet, const CCoinControl &coin_control, std::vecto
  *
  * @param[in]     wallet            Wallet reference
  * @param[in,out] cc                Coin control to be updated
- * @param[in]     conf_target       UniValue integer; confirmation target in blocks, values between 1 and 1008 are valid per policy/fees.h;
+ * @param[in]     conf_target       UniValue integer; confirmation target in blocks, values between 1 and 1008 are valid per policy/fees/block_policy_estimator.h;
  * @param[in]     estimate_mode     UniValue string; fee estimation mode, valid values are "unset", "economical" or "conservative";
  * @param[in]     fee_rate          UniValue real; fee rate in sat/vB;
  *                                      if present, both conf_target and estimate_mode must either be null, or "unset"
diff --git a/test/functional/rpc_estimatefee.py b/test/functional/rpc_estimatefee.py
index 2b877226..9346a000 100755
--- a/test/functional/rpc_estimatefee.py
+++ b/test/functional/rpc_estimatefee.py
@@ -36,7 +36,7 @@ class EstimateFeeTest(BitcoinTestFramework):
         assert_raises_rpc_error(-1, "estimatesmartfee", self.nodes[0].estimatesmartfee, 1, 'ECONOMICAL', 1)
         assert_raises_rpc_error(-1, "estimaterawfee", self.nodes[0].estimaterawfee, 1, 1, 1)
 
-        # max value of 1008 per src/policy/fees.h
+        # max value of 1008 per src/policy/fees/block_policy_estimator.h
         assert_raises_rpc_error(-8, "Invalid conf_target, must be between 1 and 1008", self.nodes[0].estimaterawfee, 1009)
 
         # valid calls
diff --git a/test/functional/rpc_psbt.py b/test/functional/rpc_psbt.py
index 933e4cd1..5acaaa71 100755
--- a/test/functional/rpc_psbt.py
+++ b/test/functional/rpc_psbt.py
@@ -601,7 +601,7 @@ class PSBTTest(BitcoinTestFramework):
                 assert_raises_rpc_error(-3, f"JSON value of type {k} for field conf_target is not of expected type number",
                     self.nodes[1].walletcreatefundedpsbt, inputs, outputs, 0, {"estimate_mode": mode, "conf_target": v, "add_inputs": True})
             for n in [-1, 0, 1009]:
-                assert_raises_rpc_error(-8, "Invalid conf_target, must be between 1 and 1008",  # max value of 1008 per src/policy/fees.h
+                assert_raises_rpc_error(-8, "Invalid conf_target, must be between 1 and 1008",  # max value of 1008 per src/policy/fees/block_policy_estimator.h
                     self.nodes[1].walletcreatefundedpsbt, inputs, outputs, 0, {"estimate_mode": mode, "conf_target": n, "add_inputs": True})
 
         self.log.info("Test walletcreatefundedpsbt with too-high fee rate produces total fee well above -maxtxfee and raises RPC error")
diff --git a/test/functional/wallet_basic.py b/test/functional/wallet_basic.py
index d700bf94..34ecf760 100755
--- a/test/functional/wallet_basic.py
+++ b/test/functional/wallet_basic.py
@@ -334,7 +334,7 @@ class WalletTest(BitcoinTestFramework):
 
         self.log.info("Test sendmany raises if an invalid conf_target or estimate_mode is passed")
         for target, mode in product([-1, 0, 1009], ["economical", "conservative"]):
-            assert_raises_rpc_error(-8, "Invalid conf_target, must be between 1 and 1008",  # max value of 1008 per src/policy/fees.h
+            assert_raises_rpc_error(-8, "Invalid conf_target, must be between 1 and 1008",  # max value of 1008 per src/policy/fees/block_policy_estimator.h
                 self.nodes[2].sendmany, amounts={address: 1}, conf_target=target, estimate_mode=mode)
         for target, mode in product([-1, 0], ["btc/kb", "sat/b"]):
             assert_raises_rpc_error(-8, 'Invalid estimate_mode parameter, must be one of: "unset", "economical", "conservative"',
diff --git a/test/functional/wallet_fundrawtransaction.py b/test/functional/wallet_fundrawtransaction.py
index 7cf92876..c6fd83bd 100755
--- a/test/functional/wallet_fundrawtransaction.py
+++ b/test/functional/wallet_fundrawtransaction.py
@@ -848,7 +848,7 @@ class RawTransactionsTest(BitcoinTestFramework):
                 assert_raises_rpc_error(-3, f"JSON value of type {k} for field conf_target is not of expected type number",
                     node.fundrawtransaction, rawtx, estimate_mode=mode, conf_target=v, add_inputs=True)
             for n in [-1, 0, 1009]:
-                assert_raises_rpc_error(-8, "Invalid conf_target, must be between 1 and 1008",  # max value of 1008 per src/policy/fees.h
+                assert_raises_rpc_error(-8, "Invalid conf_target, must be between 1 and 1008",  # max value of 1008 per src/policy/fees/block_policy_estimator.h
                     node.fundrawtransaction, rawtx, estimate_mode=mode, conf_target=n, add_inputs=True)
 
         self.log.info("Test invalid fee rate settings")
diff --git a/test/functional/wallet_send.py b/test/functional/wallet_send.py
index 1316aecb..fef2088e 100755
--- a/test/functional/wallet_send.py
+++ b/test/functional/wallet_send.py
@@ -312,7 +312,7 @@ class WalletSendTest(BitcoinTestFramework):
 
         for target, mode in product([-1, 0, 1009], ["economical", "conservative"]):
             self.test_send(from_wallet=w0, to_wallet=w1, amount=1, conf_target=target, estimate_mode=mode,
-                expect_error=(-8, "Invalid conf_target, must be between 1 and 1008"))  # max value of 1008 per src/policy/fees.h
+                expect_error=(-8, "Invalid conf_target, must be between 1 and 1008"))  # max value of 1008 per src/policy/fees/block_policy_estimator.h
         msg = 'Invalid estimate_mode parameter, must be one of: "unset", "economical", "conservative"'
         for target, mode in product([-1, 0], ["btc/kb", "sat/b"]):
             self.test_send(from_wallet=w0, to_wallet=w1, amount=1, conf_target=target, estimate_mode=mode, expect_error=(-8, msg))