wallet_rpc_server: remove unused finalize_multisig endpoint

diff --git a/src/wallet/wallet_rpc_server.cpp b/src/wallet/wallet_rpc_server.cpp
index f19e645..d970814 100644
--- a/src/wallet/wallet_rpc_server.cpp
+++ b/src/wallet/wallet_rpc_server.cpp
@@ -4483,12 +4483,6 @@ namespace tools
     return true;
   }
   //------------------------------------------------------------------------------------------------------------------------------
-  bool wallet_rpc_server::on_finalize_multisig(const wallet_rpc::COMMAND_RPC_FINALIZE_MULTISIG::request& req, wallet_rpc::COMMAND_RPC_FINALIZE_MULTISIG::response& res, epee::json_rpc::error& er, const connection_context *ctx)
-  {
-    CHECK_MULTISIG_ENABLED();
-    return false;
-  }
-  //------------------------------------------------------------------------------------------------------------------------------
   bool wallet_rpc_server::on_exchange_multisig_keys(const wallet_rpc::COMMAND_RPC_EXCHANGE_MULTISIG_KEYS::request& req, wallet_rpc::COMMAND_RPC_EXCHANGE_MULTISIG_KEYS::response& res, epee::json_rpc::error& er, const connection_context *ctx)
   {
     if (m_restricted)
diff --git a/src/wallet/wallet_rpc_server.h b/src/wallet/wallet_rpc_server.h
index 3f53044..29b46ae 100644
--- a/src/wallet/wallet_rpc_server.h
+++ b/src/wallet/wallet_rpc_server.h
@@ -151,7 +151,6 @@ namespace tools
         MAP_JON_RPC_WE("make_multisig",      on_make_multisig,      wallet_rpc::COMMAND_RPC_MAKE_MULTISIG)
         MAP_JON_RPC_WE("export_multisig_info", on_export_multisig,  wallet_rpc::COMMAND_RPC_EXPORT_MULTISIG)
         MAP_JON_RPC_WE("import_multisig_info", on_import_multisig,  wallet_rpc::COMMAND_RPC_IMPORT_MULTISIG)
-        MAP_JON_RPC_WE("finalize_multisig",  on_finalize_multisig,  wallet_rpc::COMMAND_RPC_FINALIZE_MULTISIG)
         MAP_JON_RPC_WE("exchange_multisig_keys",  on_exchange_multisig_keys,  wallet_rpc::COMMAND_RPC_EXCHANGE_MULTISIG_KEYS)
         MAP_JON_RPC_WE("get_multisig_key_exchange_booster",  on_get_multisig_key_exchange_booster,  wallet_rpc::COMMAND_RPC_GET_MULTISIG_KEY_EXCHANGE_BOOSTER)
         MAP_JON_RPC_WE("sign_multisig",      on_sign_multisig,      wallet_rpc::COMMAND_RPC_SIGN_MULTISIG)
@@ -248,7 +247,6 @@ namespace tools
       bool on_make_multisig(const wallet_rpc::COMMAND_RPC_MAKE_MULTISIG::request& req, wallet_rpc::COMMAND_RPC_MAKE_MULTISIG::response& res, epee::json_rpc::error& er, const connection_context *ctx = NULL);
       bool on_export_multisig(const wallet_rpc::COMMAND_RPC_EXPORT_MULTISIG::request& req, wallet_rpc::COMMAND_RPC_EXPORT_MULTISIG::response& res, epee::json_rpc::error& er, const connection_context *ctx = NULL);
       bool on_import_multisig(const wallet_rpc::COMMAND_RPC_IMPORT_MULTISIG::request& req, wallet_rpc::COMMAND_RPC_IMPORT_MULTISIG::response& res, epee::json_rpc::error& er, const connection_context *ctx = NULL);
-      bool on_finalize_multisig(const wallet_rpc::COMMAND_RPC_FINALIZE_MULTISIG::request& req, wallet_rpc::COMMAND_RPC_FINALIZE_MULTISIG::response& res, epee::json_rpc::error& er, const connection_context *ctx = NULL);
       bool on_exchange_multisig_keys(const wallet_rpc::COMMAND_RPC_EXCHANGE_MULTISIG_KEYS::request& req, wallet_rpc::COMMAND_RPC_EXCHANGE_MULTISIG_KEYS::response& res, epee::json_rpc::error& er, const connection_context *ctx = NULL);
       bool on_get_multisig_key_exchange_booster(const wallet_rpc::COMMAND_RPC_GET_MULTISIG_KEY_EXCHANGE_BOOSTER::request& req, wallet_rpc::COMMAND_RPC_GET_MULTISIG_KEY_EXCHANGE_BOOSTER::response& res, epee::json_rpc::error& er, const connection_context *ctx = NULL);
       bool on_sign_multisig(const wallet_rpc::COMMAND_RPC_SIGN_MULTISIG::request& req, wallet_rpc::COMMAND_RPC_SIGN_MULTISIG::response& res, epee::json_rpc::error& er, const connection_context *ctx = NULL);
diff --git a/src/wallet/wallet_rpc_server_commands_defs.h b/src/wallet/wallet_rpc_server_commands_defs.h
index 3662630..bb087ca 100644
--- a/src/wallet/wallet_rpc_server_commands_defs.h
+++ b/src/wallet/wallet_rpc_server_commands_defs.h
@@ -47,7 +47,7 @@
 // advance which version they will stop working with
 // Don't go over 32767 for any of these
 #define WALLET_RPC_VERSION_MAJOR 1
-#define WALLET_RPC_VERSION_MINOR 30
+#define WALLET_RPC_VERSION_MINOR 31
 #define MAKE_WALLET_RPC_VERSION(major,minor) (((major)<<16)|(minor))
 #define WALLET_RPC_VERSION MAKE_WALLET_RPC_VERSION(WALLET_RPC_VERSION_MAJOR, WALLET_RPC_VERSION_MINOR)
 namespace tools
@@ -2476,24 +2476,6 @@ namespace wallet_rpc
     typedef epee::misc_utils::struct_init<response_t> response;
   };
 
-  struct COMMAND_RPC_FINALIZE_MULTISIG
-  {
-    // NOP
-    struct request_t
-    {
-      BEGIN_KV_SERIALIZE_MAP()
-      END_KV_SERIALIZE_MAP()
-    };
-    typedef epee::misc_utils::struct_init<request_t> request;
-
-    struct response_t
-    {
-      BEGIN_KV_SERIALIZE_MAP()
-      END_KV_SERIALIZE_MAP()
-    };
-    typedef epee::misc_utils::struct_init<response_t> response;
-  };
-
   struct COMMAND_RPC_EXCHANGE_MULTISIG_KEYS
   {
     struct request_t
diff --git a/utils/python-rpc/framework/wallet.py b/utils/python-rpc/framework/wallet.py
index d0a516c..7f493d9 100644
--- a/utils/python-rpc/framework/wallet.py
+++ b/utils/python-rpc/framework/wallet.py
@@ -530,16 +530,6 @@ class Wallet(object):
         }
         return self.rpc.send_json_rpc_request(make_multisig)
 
-    def finalize_multisig(self):
-        finalize_multisig = {
-            'method': 'finalize_multisig',
-            'params' : {
-            },
-            'jsonrpc': '2.0', 
-            'id': '0'
-        }
-        return self.rpc.send_json_rpc_request(finalize_multisig)
-
     def exchange_multisig_keys(self, multisig_info, password = '', force_update_use_with_caution = False):
         exchange_multisig_keys = {
             'method': 'exchange_multisig_keys',