Removing myself from rendering watchlist

I'm switching over to blink-reviews-rendering instead.

NOTRY=true
TBR=eseidel

Review URL: https://codereview.chromium.org/261683007

git-svn-id: svn://svn.chromium.org/blink/trunk@173094 bbb929c8-8fbe-4397-9dbb-9b2b20218538