There is no need for ClientHeapVerifier anymore since we can simply
invoke full verification for all client heaps.

Bug: v8:13267
Change-Id: Ic72744aed09569f2e3e61bb3d6c889d2a7ad4de3
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3913030
Commit-Queue: Dominik Inführ <dinfuehr@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/main@{#83416}