remove another gamma_correct
remove another gamma_correct

Is this the real source of how matching on gamma_correct gets into the
search query URL by default?

Change-Id: I273f2127a19a7f5b3a438073d6c536d2fe99917e
Reviewed-on: https://skia-review.googlesource.com/c/191821
Reviewed-by: Stephan Altmueller <43343ec95731c0e8daa7359daf7f2f3935582b24@google.com>
Commit-Queue: Mike Klein <14574f09dfa9b4e14759b88c3426a495a0e627b0@google.com>

google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot