This information is already stored in compiler_hints_. This saves 1
bit on ParseInfo.

Change-Id: I37927c256aacd18fb332b522989dc669aa80df01
Reviewed-on: https://chromium-review.googlesource.com/858427Reviewed-by: Adam Klein <adamk@chromium.org>
Commit-Queue: Sathya Gunasekaran <gsathya@chromium.org>
Cr-Commit-Position: refs/heads/master@{#50483}