Remove from:
    * FillPropertyArrayWithUndefined
    * CopyPropertyArrayValues

Bug: v8:9708, v8:6949
Change-Id: I536df1dbcff9b29746ab561d2fd563e16ef9be76
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2324241Reviewed-by: Mythri Alle <mythria@chromium.org>
Commit-Queue: Santiago Aboy Solanes <solanes@chromium.org>
Cr-Commit-Position: refs/heads/master@{#69119}