Revert "Test remove fix from #1221"

This reverts commit 4ad06e6.

setup.py

@@ -75,7 +75,7 @@
     install_requires=install_requires,
     python_requires=">=3.6",
     packages=packages,
-    package_data={},
+    package_data={"googleapiclient": ["discovery_cache/documents/*.json"]},
     license="Apache 2.0",
     keywords="google api client",
     classifiers=[