The method is only called from module-compiler.cc, hence we can call it
on {CompilationStateImpl} directly and do not need to expose it.

R=mstarzinger@chromium.org
CC=frgossen@google.com

Change-Id: I72dcd7b109cfdb0b3fd78be635c482289c69dd9e
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1587389Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#61086}