Remove unused GrTRecorder

Change-Id: I9fa9f8785f48e884cf296a638347003d1687e7c0
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/301536
Commit-Queue: Michael Ludwig <michaelludwig@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
Auto-Submit: Michael Ludwig <michaelludwig@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
5 files changed