[tests] Remove redundant import in blocktools.py test

Author: ajtowns

test/functional/test_framework/blocktools.py

@@ -5,7 +5,6 @@
 """Utilities for manipulating blocks and transactions."""
 
 from .address import (
-    key_to_p2sh_p2wpkh,
     key_to_p2sh_p2wpkh,
     key_to_p2wpkh,
     script_to_p2sh_p2wsh,
@@ -18,8 +17,6 @@
     OP_1,
     OP_CHECKMULTISIG,
     OP_CHECKSIG,
-    OP_EQUAL,
-    OP_HASH160,
     OP_RETURN,
     OP_TRUE,
     hash160,