These are never generated by the instruction-selector, and don't need to
be defined.

Bug: v8:11074
Change-Id: I83a5760b6350155fd19d069be6aeeec5887e5880
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2643396Reviewed-by: Deepti Gandluri <gdeepti@chromium.org>
Commit-Queue: Zhi An Ng <zhin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#72237}