[skunicode] Remove unused LEN define

Change-Id: I9b289da7d55375743a16c2b4f7623e30ceabe3fa
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/740136
Auto-Submit: Ben Wagner <bungeman@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Ben Wagner <bungeman@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
1 file changed