test: Remove unused options and variables, correct comments

test/functional/rpc_rawtransaction.py

@@ -74,7 +74,6 @@ class RawTransactionsTest(BitcoinTestFramework):
         # whitelist peers to speed up tx relay / mempool sync
         self.noban_tx_relay = True
         self.supports_cli = False
-        self.uses_wallet = None
 
     def setup_network(self):
         super().setup_network()