Removed all uses of ParameterToTagged and TaggedToParameter but
forgot to remove the method themselves.

Bug: v8:9708, v8:6949
Change-Id: I8718a0739ce81ca42546125fac765618e0208cb2
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2356388Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Commit-Queue: Santiago Aboy Solanes <solanes@chromium.org>
Cr-Commit-Position: refs/heads/master@{#69436}