Some logic still remains, notably in compiler/.

Bug: v8:8888
Change-Id: I7e7f10a487e1bc8b90bbbfedbc46bf09bae0717e
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2825589
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Dominik Inführ <dinfuehr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73969}