Remove nirnimesh and dennisjeffrey from OWNERS files

They no longer work on Chrome.

BUG=none
TEST=none
R=craigdh@chromium.org

Review URL: https://codereview.chromium.org/23439005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@223423 0039d316-1c4b-4281-b951-d872f2087c98

chrome/test/functional/OWNERS

-dennisjeffrey@chromium.org
 craigdh@chromium.org
 kkania@chromium.org
-nirnimesh@chromium.org
 
 # for media stuff
 dalecurtis@chromium.org

chrome/test/pyautolib/OWNERS

-dennisjeffrey@chromium.org
 craigdh@chromium.org
-nirnimesh@chromium.org
+kkania@chromium.org