"FinishCall" is also unnecessary after a tail call, move it inside the
condition too.

R=clemensb@chromium.org

Bug: chromium:1187484
Change-Id: I258dd736565546277deb33e52a4619d6aaa2fe25
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2759512Reviewed-by: Clemens Backes <clemensb@chromium.org>
Commit-Queue: Thibaud Michaud <thibaudm@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73409}