Replace by explicitly deleting the copy constructor and copy assignment
operator.

R=zhin@chromium.org

Bug: v8:11074
Change-Id: I5accd5d3d4ecfd20d497d16a3cfd189d17314479
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2523315Reviewed-by: Zhi An Ng <zhin@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#71108}