Revert "chore: prevent normalization of semver versioning (#1292)"

This reverts commit 937ae84.

Author: parthea

setup.py

@@ -27,22 +27,7 @@
 
 import io
 import os
-import setuptools
-
-# Disable version normalization performed by setuptools.setup()
-try:
-    # Try the approach of using sic(), added in setuptools 46.1.0
-    from setuptools import sic
-except ImportError:
-    # Try the approach of replacing packaging.version.Version
-    sic = lambda v: v
-    try:
-        # setuptools >=39.0.0 uses packaging from setuptools.extern
-        from setuptools.extern import packaging
-    except ImportError:
-        # setuptools <39.0.0 uses packaging from pkg_resources.extern
-        from pkg_resources.extern import packaging
-    packaging.version.Version = packaging.version.LegacyVersion
+from setuptools import setup
 
 packages = ["apiclient", "googleapiclient", "googleapiclient/discovery_cache"]
 
@@ -63,9 +48,9 @@
 
 version = "2.2.0"
 
-setuptools.setup(
+setup(
     name="google-api-python-client",
-    version=sic(version),
+    version=version,
     description="Google API Client Library for Python",
     long_description=readme,
     long_description_content_type='text/markdown',