Remove SK_LEGACY_SET_ROTATE_SNAP
Remove SK_LEGACY_SET_ROTATE_SNAP

Chromium has been rebaselined with the new value:
  https://crrev.com/c/3807782

Change-Id: I4e2c8238824725fbedd21ada77d7b04e17b76e51
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/566338
Commit-Queue: Brian Osman <794c0b5534edf5601d88e1d41975d0262da12894@google.com>
Auto-Submit: Brian Osman <794c0b5534edf5601d88e1d41975d0262da12894@google.com>
Commit-Queue: Michael Ludwig <cb1f3dd24de0f0b611b26bc28bec758a551d9b7d@google.com>
Reviewed-by: Michael Ludwig <cb1f3dd24de0f0b611b26bc28bec758a551d9b7d@google.com>

google/skia,google/skia,google/skia,google/skia,google/skia,google/skia,google/skia,google/skia,google/skia,google/skia