[test]: remove duplicate WITNESS_SCALE_FACTOR

test/functional/test_framework/blocktools.py

@@ -28,6 +28,7 @@ from .messages import (
     ser_uint256,
     tx_from_hex,
     uint256_from_str,
+    WITNESS_SCALE_FACTOR,
 )
 from .script import (
     CScript,
@@ -45,7 +46,6 @@ from .script_util import (
 )
 from .util import assert_equal
 
-WITNESS_SCALE_FACTOR = 4
 MAX_BLOCK_SIGOPS = 20000
 MAX_BLOCK_SIGOPS_WEIGHT = MAX_BLOCK_SIGOPS * WITNESS_SCALE_FACTOR