Remove utility include from SkTypes.h

No longer needed by SkTypes.

Change-Id: I7af305cea2d2a5989992b5ffe76dabae85b18fe9
Reviewed-on: https://skia-review.googlesource.com/136246
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Ben Wagner <bungeman@google.com>
1 file changed