CSA's stack checks (in CodeStubAssembler::PerformStackCheck) were
previously carefully crafted to hit the stack check node pattern
matchers later on during instruction selection (see StackCheckMatcher).
This brittle mechanism is no longer needed now that stack checks use the
new StackPointerGreaterThan machine operator.

Bug: v8:9534
Change-Id: Idca169df1cadc6db237a8d36883ec1a79418f288
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1748728
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#63163}