Remove FileRef, FileIO and DirectoryReader PPAPI tests from ui_tests for now. It looks like run_testserver is crashing.
Remove FileRef, FileIO and DirectoryReader PPAPI tests from ui_tests
for now. It looks like run_testserver is crashing.

BUG=none
TEST=none
TBR=darin


Review URL: http://codereview.chromium.org/4411002

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@65008 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser