This reverts two CLs that were intended to show symbols for embedded builtins in chromecrash. The symbols never showed up, a part of this must still be missing.

Revert "[builtins] Declare builtin symbols as globals"
This reverts commit 8412353c.

Revert "[builtins] Declare builtin symbols"
This reverts commit 17ad3ae4.

TBR=yangguo@chromium.org

Bug: v8:6666, v8:7722
Change-Id: Ifcbf56a36ea51ea65de77c507886402f3663f414
Reviewed-on: https://chromium-review.googlesource.com/1195493Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55515}