Drop redundant conditional skips for unsupported Python versions

test/test_inference/test_fstring.py

@@ -1,13 +1,6 @@
-import pytest
 from textwrap import dedent
 
 
-@pytest.fixture(autouse=True)
-def skip_not_supported(environment):
-    if environment.version_info < (3, 6):
-        pytest.skip()
-
-
 def test_fstring_multiline(Script):
     code = dedent("""\
         '' f'''s{