The check was a leftover from a debugging session.
We don't have a feedback vector even though we have baseline code,
e.g. when we share baseline code across realms. In this case
the feedback vector will be allocated upon the first invocation
of the function.

Bug: chromium:1177217
Change-Id: Ia5cde35b0f5d746c2ba64d3ca2083acdfaf286bb
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2695396
Auto-Submit: Patrick Thier <pthier@chromium.org>
Reviewed-by: Victor Gomes <victorgomes@chromium.org>
Commit-Queue: Victor Gomes <victorgomes@chromium.org>
Cr-Commit-Position: refs/heads/master@{#72745}