The HandleApiCall uses BUILTIN_EXIT frames now instead of EXIT frames,
so API calls show up in stack traces. We no longer need API builtins
and this CL removes them and the corresponding C++ macros.

Bug: v8:9183
Change-Id: Ifa2e842123ef7e96b2ff296116f46d5d799a63ad
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1617249
Commit-Queue: Simon Zünd <szuend@chromium.org>
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#61723}