Update .DEPS.git

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@233684 0039d316-1c4b-4281-b951-d872f2087c98
GTTF: Remove obsolete sharding_supervisor

BUG=236893
R=maruel@chromium.org

Review URL: https://codereview.chromium.org/65143003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@233685 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 233684
SVN changes up to revision 233685