Remove flaky line for fast/line-grid/line-align-left-edges.html.
Remove flaky line for fast/line-grid/line-align-left-edges.html.

It no longer times out on Linux.

BUG=313659
TBR=yurys@chromium.org

Review URL: https://codereview.chromium.org/130463002

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@164750 bbb929c8-8fbe-4397-9dbb-9b2b20218538

primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs