ci: Remove pytest filterwarnings

Author: tony

setup.cfg

@@ -18,7 +18,6 @@ line_length = 88
 
 [tool:pytest]
 filterwarnings =
-    ignore:.* Use packaging.version.*:DeprecationWarning::
     ignore:The frontend.Option(Parser)? class.*:DeprecationWarning::
 addopts = --tb=short --no-header --showlocals --doctest-docutils-modules --reruns 2 -p no:doctest
 doctest_optionflags = ELLIPSIS NORMALIZE_WHITESPACE