Remove unused intrinsic enum from VM generator

This was made obsolete when a shared intrinsic enum was added to the IR.

Change-Id: I95ff46ea721b01edfc15a203adae559ff8d9277e
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/412639
Commit-Queue: Brian Osman <brianosman@google.com>
Commit-Queue: John Stiles <johnstiles@google.com>
Auto-Submit: Brian Osman <brianosman@google.com>
Reviewed-by: John Stiles <johnstiles@google.com>
1 file changed