Object::operator-> was removed in
https://chromium-review.googlesource.com/c/v8/v8/+/1624788 but a few
subclasses still had their own implementations.

Change-Id: Ie2c4df4cd0af0bdba8838aaf2f3852c61e227aa4
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1884950Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Commit-Queue: Seth Brenith <seth.brenith@microsoft.com>
Cr-Commit-Position: refs/heads/master@{#64619}