Revert "Add storage on the surface for its last render task"

This reverts commit ca5b36c474476c20805fd643a1abd1081b469be5.

Reason for revert: This may be blocking the Chrome roll

Original change's description:
> Add storage on the surface for its last render task
> 
> Let's land this and see if it gets us back to baseline on the
> lastRenderTask regression from the bug. If it doesn't, we'll revert it
> since the extra complexity won't have been worth it.
> 
> Bug: skia:10372
> Change-Id: I9d5ae93435b833d575afdc7f219dc8e7c453c92b
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/297836
> Reviewed-by: Robert Phillips <robertphillips@google.com>
> Commit-Queue: Adlai Holler <adlai@google.com>

TBR=robertphillips@google.com,adlai@google.com

Change-Id: Id418d042d1123d946cd99b7b1ba438211cb628ec
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:10372
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/299763
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
9 files changed