Remove feature_txindex_compatibility.py in V27

Author: BrandonOdiwuor

test/functional/feature_txindex_compatibility.py

@@ -357,7 +357,6 @@
     'rpc_scanblocks.py',
     'p2p_sendtxrcncl.py',
     'rpc_scantxoutset.py',
-    'feature_txindex_compatibility.py',
     'feature_unsupported_utxo_db.py',
     'feature_logging.py',
     'feature_anchors.py',