Revert "my_activity.py: Add WebRTC code review and Google code site."
Revert "my_activity.py: Add WebRTC code review and Google code site."

This reverts https://codereview.chromium.org/1008143002
since WebRTC has now moved over to Chromium's Rietveld instance.

BUG=webrtc:3884

Review URL: https://codereview.chromium.org/1188523002

git-svn-id: bd64dd6fa6f3f0ed0c0666d1018379882b742947@296585 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

svn2github/chromium-depot-tools,svn2github/chromium-depot-tools,svn2github/chromium-depot-tools