Revert "Don't use GrRRectBlurEffect for large rects when highp is not full float"

This reverts commit e0dc9432d8836ec34a3ef90eabc39eadc3d1db90.

Reason for revert: compile breakage

Original change's description:
> Don't use GrRRectBlurEffect for large rects when highp is not full float
> 
> Change-Id: Idf12e0a1fba2d9bd2fab8100bd9319c6ec6115b9
> Reviewed-on: https://skia-review.googlesource.com/127049
> Commit-Queue: Brian Salomon <bsalomon@google.com>
> Reviewed-by: Robert Phillips <robertphillips@google.com>

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

Change-Id: Ibbf8abfd4089d963d2457db4710207d1c91faf35
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/127180
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
4 files changed