build: remove unused configuration variable
want_separate_host_toolset_mkpeephole
was removed when V8 was upgraded
to version 5.9 in commit 3dc8c3be from June.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
want_separate_host_toolset_mkpeephole
was removed when V8 was upgraded
to version 5.9 in commit 3dc8c3be from June.