Delete chromeos/deps from ui/base/ime/DEPS.

BUG=293257

Review URL: https://codereview.chromium.org/85843002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@241835 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 241835