There's no need for the force_instantiate argument as it's not used by
any of the callers.

Bug: v8:11284
Change-Id: I133ac55b1da7b247b7d4b601372d2b2f3fffe36a
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2608204
Commit-Queue: Sathya Gunasekaran  <gsathya@chromium.org>
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Cr-Commit-Position: refs/heads/master@{#72002}