my_activity fetches issues from monorail. Also deleted some  projects which are not hosted on monorail.

Blocked on deployment of https://chromereviews.googleplex.com/365267013/

BUG=monorail:762

Review URL: https://codereview.chromium.org/1754433002

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@299032 0039d316-1c4b-4281-b951-d872f2087c98