Remove extra spaces from MeshGradientSlide

This isn't really necessary since we don't care about code size in
viewer, but it makes things more consistent with our shader code
in core Skia.

Change-Id: Ia1f4db1738a71ba3ff4c149d38818b228fd1fe66
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/922276
Auto-Submit: Kaylee Lubick <kjlubick@google.com>
Commit-Queue: Kaylee Lubick <kjlubick@google.com>
Commit-Queue: Max Hudnell <maxhudnell@google.com>
Reviewed-by: Max Hudnell <maxhudnell@google.com>
1 file changed