scripted-diff: test: Remove brackets after assert

-BEGIN VERIFY SCRIPT-
sed -i --regexp-extended -e 's/assert ?\((.+)\)(( )*)?(#.*)?$/assert \1\3\3\4/g' $(git grep -l --extended-regexp 'assert ?\(' test)
-END VERIFY SCRIPT-

test/functional/test_framework/blocktools.py

@@ -131,7 +131,7 @@ def create_tx_with_script(prevtx, n, script_sig=b"", *, amount, script_pub_key=C
        Can optionally pass scriptPubKey and scriptSig, default is anyone-can-spend output.
     """
     tx = CTransaction()
-    assert(n < len(prevtx.vout))
+    assert n < len(prevtx.vout)
     tx.vin.append(CTxIn(COutPoint(prevtx.sha256, n), script_sig, 0xffffffff))
     tx.vout.append(CTxOut(amount, script_pub_key))
     tx.calc_sha256()
@@ -214,7 +214,7 @@ def send_to_witness(use_p2wsh, node, utxo, pubkey, encode_p2sh, amount, sign=Tru
     tx_to_witness = create_witness_tx(node, use_p2wsh, utxo, pubkey, encode_p2sh, amount)
     if (sign):
         signed = node.signrawtransactionwithwallet(tx_to_witness)
-        assert("errors" not in signed or len(["errors"]) == 0)
+        assert "errors" not in signed or len(["errors"]) == 0
         return node.sendrawtransaction(signed["hex"])
     else:
         if (insert_redeem_script):