This removes the flag in question. It just duplicates the corresponding
compilation hint in the underlying SharedFunctionInfo object. Now that
the backends should have a SharedFunctionInfo available most of the time
it is safe to use the cannonical predicate.

R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/1883583002

Cr-Commit-Position: refs/heads/master@{#35482}