[doc] rpc: remove "fallback to" from RBF default help

Author: Sjors

src/wallet/rpcwallet.cpp

@@ -359,8 +359,8 @@ static UniValue sendtoaddress(const JSONRPCRequest& request)
             "                             transaction, just kept in your wallet."},
                     {"subtractfeefromamount", RPCArg::Type::BOOL, /* default */ "false", "The fee will be deducted from the amount being sent.\n"
             "                             The recipient will receive less bitcoins than you enter in the amount field."},
-                    {"replaceable", RPCArg::Type::BOOL, /* default */ "fallback to wallet's default", "Allow this transaction to be replaced by a transaction with higher fees via BIP 125"},
-                    {"conf_target", RPCArg::Type::NUM, /* default */ "fallback to wallet's default", "Confirmation target (in blocks)"},
+                    {"replaceable", RPCArg::Type::BOOL, /* default */ "wallet default", "Allow this transaction to be replaced by a transaction with higher fees via BIP 125"},
+                    {"conf_target", RPCArg::Type::NUM, /* default */ "wallet default", "Confirmation target (in blocks)"},
                     {"estimate_mode", RPCArg::Type::STR, /* default */ "UNSET", "The fee estimate mode, must be one of:\n"
             "       \"UNSET\"\n"
             "       \"ECONOMICAL\"\n"
@@ -815,8 +815,8 @@ static UniValue sendmany(const JSONRPCRequest& request)
                             {"address", RPCArg::Type::STR, RPCArg::Optional::OMITTED, "Subtract fee from this address"},
                         },
                     },
-                    {"replaceable", RPCArg::Type::BOOL, /* default */ "fallback to wallet's default", "Allow this transaction to be replaced by a transaction with higher fees via BIP 125"},
-                    {"conf_target", RPCArg::Type::NUM, /* default */ "fallback to wallet's default", "Confirmation target (in blocks)"},
+                    {"replaceable", RPCArg::Type::BOOL, /* default */ "wallet default", "Allow this transaction to be replaced by a transaction with higher fees via BIP 125"},
+                    {"conf_target", RPCArg::Type::NUM, /* default */ "wallet default", "Confirmation target (in blocks)"},
                     {"estimate_mode", RPCArg::Type::STR, /* default */ "UNSET", "The fee estimate mode, must be one of:\n"
             "       \"UNSET\"\n"
             "       \"ECONOMICAL\"\n"
@@ -3110,9 +3110,9 @@ static UniValue fundrawtransaction(const JSONRPCRequest& request)
                                     {"vout_index", RPCArg::Type::NUM, RPCArg::Optional::OMITTED, "The zero-based output index, before a change output is added."},
                                 },
                             },
-                            {"replaceable", RPCArg::Type::BOOL, /* default */ "fallback to wallet's default", "Marks this transaction as BIP125 replaceable.\n"
+                            {"replaceable", RPCArg::Type::BOOL, /* default */ "wallet default", "Marks this transaction as BIP125 replaceable.\n"
                             "                              Allows this transaction to be replaced by a transaction with higher fees"},
-                            {"conf_target", RPCArg::Type::NUM, /* default */ "fallback to wallet's default", "Confirmation target (in blocks)"},
+                            {"conf_target", RPCArg::Type::NUM, /* default */ "wallet default", "Confirmation target (in blocks)"},
                             {"estimate_mode", RPCArg::Type::STR, /* default */ "UNSET", "The fee estimate mode, must be one of:\n"
                             "         \"UNSET\"\n"
                             "         \"ECONOMICAL\"\n"
@@ -3275,7 +3275,7 @@ static UniValue bumpfee(const JSONRPCRequest& request)
                     {"txid", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The txid to be bumped"},
                     {"options", RPCArg::Type::OBJ, RPCArg::Optional::OMITTED_NAMED_ARG, "",
                         {
-                            {"confTarget", RPCArg::Type::NUM, /* default */ "fallback to wallet's default", "Confirmation target (in blocks)"},
+                            {"confTarget", RPCArg::Type::NUM, /* default */ "wallet default", "Confirmation target (in blocks)"},
                             {"totalFee", RPCArg::Type::NUM, /* default */ "fallback to 'confTarget'", "Total fee (NOT feerate) to pay, in satoshis. (DEPRECATED)\n"
             "                         In rare cases, the actual fee paid might be slightly higher than the specified\n"
             "                         totalFee if the tx change output has to be removed because it is too close to\n"