Merge bitcoin/bitcoin#26107: [test] only run feature_rbf.py once

667401a [test] only run feature_rbf.py once (glozow)

Pull request description:

  There is no need to run this test twice with --descriptors and --legacy-wallet, as it doesn't use the wallet.

ACKs for top commit:
  aureleoules:
    ACK 667401a.
  theStack:
    ACK 667401a
  brunoerg:
    ACK 667401a

Tree-SHA512: 339213159fac29ebc5678461fae41645aed57877d5525e8ca4755890b869a17ae0bea3f590114769c84b71a7df20c59c9530ab8b327912151c82ec58022f7e71

Author: MacroFake

test/functional/test_runner.py

@@ -231,8 +231,7 @@
     'rpc_getblockfrompeer.py',
     'rpc_invalidateblock.py',
     'feature_utxo_set_hash.py',
-    'feature_rbf.py --legacy-wallet',
-    'feature_rbf.py --descriptors',
+    'feature_rbf.py',
     'mempool_packages.py',
     'mempool_package_onemore.py',
     'rpc_createmultisig.py',