Revert of Fix gamut GM to work w/serialization configs. Remove it from blacklist. (patchset #2 id:20001 of https://codereview.chromium.org/2383513002/ )

Reason for revert:
Valgrind errors:

==2603== Invalid read of size 8
==2603==    at 0xA284E0: SkSurface::getCanvas() (SkSurface_Base.h:108)
==2603==    by 0x4F0B0F: gamut_GM(SkCanvas*) (gamut.cpp:163)
==2603==    by 0x483B77: DM::GMSrc::draw(SkCanvas*) const (DMSrcSink.cpp:69)
==2603==    by 0x485F04: DM::GPUSink::draw(DM::Src const&, SkBitmap*, SkWStream*, SkString*) const (DMSrcSink.cpp:1226)
==2603==    by 0x47E974: dm_main() (DM.cpp:1035)
==2603==    by 0x6652EC4: (below main) (libc-start.c:287)
==2603==  Address 0x20 is not stack'd, malloc'd or (recently) free'd
==2603==

https://uberchromegw.corp.google.com/i/client.skia/builders/Test-Ubuntu-GCC-ShuttleA-GPU-GTX550Ti-x86_64-Release-Valgrind/builds/1410/steps/test_skia%20on%20Ubuntu/logs/stdio

Original issue's description:
> Fix gamut GM to work w/serialization configs. Remove it from blacklist.
>
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2383513002
>
> Committed: https://skia.googlesource.com/skia/+/e4a17372a188f1dffc3f9c9bcdfbb9860728630b

TBR=reed@google.com,borenet@google.com,brianosman@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Review-Url: https://codereview.chromium.org/2380313002
27 files changed