chore(generator): revert setup.py and WORKSPACE changes

Author: hebaalazzeh

packages/gapic-generator/setup.py

@@ -61,7 +61,7 @@
     author="Google LLC",
     author_email="googleapis-packages@google.com",
     license="Apache-2.0",
-    packages=setuptools.find_namespace_packages(exclude=["docs*", "tests*"]),
+    packages=setuptools.find_namespace_packages(exclude=["docs", "tests"]),
     url=url,
     classifiers=[
         release_status,