tests: drop expect_disconnect behaviour for tx relay

test/functional/feature_block.py

@@ -177,11 +177,6 @@ class FullBlockTest(BitcoinTestFramework):
         for TxTemplate in invalid_txs.iter_all_templates():
             template = TxTemplate(spend_tx=attempt_spend_tx)
 
-            # belt-and-suspenders checking we won't pass up validating something
-            # we expect a disconnect from
-            if template.expect_disconnect:
-                assert not template.valid_in_block
-
             if template.valid_in_block:
                 continue