GitLab

Delete chrome/test/data/workers since it's not used anymore. It was copied in r148205 in preparation for r148349.

BUG=90448
Review URL: https://chromiumcodereview.appspot.com/10821016

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@148422 0039d316-1c4b-4281-b951-d872f2087c98