Its double methods were unused so we were using it as an ObjectData*
wrapper.

Bug: v8:7790
Change-Id: If6bd21fc23485f1e14aa3e71aea7c7821bd03315
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2715185Reviewed-by: Georg Neis <neis@chromium.org>
Commit-Queue: Santiago Aboy Solanes <solanes@chromium.org>
Cr-Commit-Position: refs/heads/master@{#72968}