Address test todos by removing -txindex to nodes.

Originally added when updating getrawtransaction to stop searching unspent utxos.

test/functional/wallet_abandonconflict.py

@@ -26,8 +26,7 @@ from test_framework.util import (
 class AbandonConflictTest(BitcoinTestFramework):
     def set_test_params(self):
         self.num_nodes = 2
-        # TODO: remove -txindex. Currently required for getrawtransaction call.
-        self.extra_args = [["-minrelaytxfee=0.00001", "-txindex"], []]
+        self.extra_args = [["-minrelaytxfee=0.00001"], []]
 
     def skip_test_if_missing_module(self):
         self.skip_if_no_wallet()