Revert "Import typing.{List,Tuple} for Python 3.8"

This reverts commit 8986e79.

Author: jparise

src/pep8ext_naming.py

@@ -6,7 +6,6 @@
 from fnmatch import fnmatchcase
 from functools import partial
 from itertools import chain
-from typing import List, Tuple
 
 from flake8 import style_guide
 
@@ -35,8 +34,8 @@
 class BaseASTCheck:
     """Base for AST Checks."""
 
-    all: List['BaseASTCheck'] = []
-    codes: Tuple[str, ...]
+    all: list['BaseASTCheck'] = []
+    codes: tuple[str, ...]
 
     def __init_subclass__(cls, **kwargs):
         super().__init_subclass__(**kwargs)