Remove ftransform intrinsic from SkSL.

This intrinsic multiplies the vertex against the fixed-function
gl_ModelViewProjectionMatrix matrix, which is not a thing in Skia.

Change-Id: Ie361d9d631762b1397ee7be062bda317b415c7c9
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/342923
Commit-Queue: John Stiles <johnstiles@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
Auto-Submit: John Stiles <johnstiles@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
2 files changed