unittests/cargotests: fix pylint

Signed-off-by: Paolo Bonzini <[email protected]>

Author: bonzini

unittests/cargotests.py

@@ -8,7 +8,7 @@
 import textwrap
 import typing as T
 
-from mesonbuild.cargo import builder, cfg, load_wraps
+from mesonbuild.cargo import cfg, load_wraps
 from mesonbuild.cargo.cfg import TokenType
 from mesonbuild.cargo.version import convert