remove abandoned oauth2client package

BUG=b:64848355
TEST=None

Change-Id: I39ff4b62f18569bc6051e147bdcf2db1d4d4357f
Reviewed-on: https://chromium-review.googlesource.com/801536
Commit-Ready: Shuqian Zhao <shuqianz@chromium.org>
Tested-by: Shuqian Zhao <shuqianz@chromium.org>
Reviewed-by: Allen Li <ayatane@chromium.org>
diff --git a/pip_packages/oauth2client-3.0.0-cp27-none-any.whl b/pip_packages/oauth2client-3.0.0-cp27-none-any.whl
deleted file mode 100644
index 18b80c2..0000000
--- a/pip_packages/oauth2client-3.0.0-cp27-none-any.whl
+++ /dev/null
Binary files differ