Remove flaky expectations for svg/carto.net/colourpicker and fast/forms/textarea/textarea-appearance-basic.

TBR=ojan@chromium.org
BUG=webkit.org/b/102724

Review URL: https://codereview.chromium.org/27372004

git-svn-id: svn://svn.chromium.org/blink/trunk@159694 bbb929c8-8fbe-4397-9dbb-9b2b20218538