tests: remove unused class attribute in VppTestCase
Identified in post-merge review.
Type: test
@@ -261,7 +261,6 @@ class VppTestCase(unittest.TestCase):
"""This subclass is a base class for VPP test cases that are implemented as
classes. It provides methods to create and run test case.
"""
- get_truthy_envar = staticmethod(BoolEnvironmentVariable)
extra_vpp_punt_config = []
extra_vpp_plugin_config = []
