Revert "Fix a bug in SkGpuBlurUtils::GaussianBlur (take 2)"

This reverts commit 72de74504f09f5de17af281b363fbc114ece3e73.

Reason for revert: We are missing some tests - Chrome images look different

Original change's description:
> Fix a bug in SkGpuBlurUtils::GaussianBlur (take 2)
> 
> This fixes the remaining imageblurclampmode bug and a preexisting un-reported error in the imageblurrepeatmode GM.
> 
> This relies on https://chromium-review.googlesource.com/c/chromium/src/+/1044113 (Add a flag to disable a blur imagefilter bug fix in Skia) landing in Chrome first.
> 
> Bug: skia:7765
> Change-Id: I568d18c17bb95c9e270e4cfd304c8dc134a48a70
> Reviewed-on: https://skia-review.googlesource.com/125961
> Reviewed-by: Greg Daniel <egdaniel@google.com>
> Commit-Queue: Robert Phillips <robertphillips@google.com>

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

Change-Id: Ia56b3cf3009a95b7baaa9af62e97be390d0868fa
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:7765
Reviewed-on: https://skia-review.googlesource.com/126160
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
1 file changed