Revert of re-enable simpleblurroundrect gm (https://codereview.chromium.org/263823002/)

Reason for revert:
broken rebaseline.

Original issue's description:
> re-enable simpleblurroundrect gm
>
> BUG=skia:
> TBR=caryclark
>
> Committed: http://code.google.com/p/skia/source/detail?r=14498

R=caryclark@google.com
TBR=caryclark@google.com
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Author: humper@google.com

Review URL: https://codereview.chromium.org/265863002

git-svn-id: http://skia.googlecode.com/svn/trunk@14500 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/expectations/gm/ignored-tests.txt b/expectations/gm/ignored-tests.txt
index 8a4dcc9..c57a0cc 100644
--- a/expectations/gm/ignored-tests.txt
+++ b/expectations/gm/ignored-tests.txt
@@ -37,3 +37,7 @@
 # This change removes an API that this GM was testing. If/when it lands and sticks,
 # I will likely just delete the GM.
 canvas-layer-state
+
+# humper: https://codereview.chromium.org/248613004/
+# Changed the test in a few ways, will need rebaselining.
+simpleblurroundrect