Remove component flags from GrPipelineInput.

We don't use these anywhere downstream except to check for opaqueness.

Change-Id: I897137135d69004ed45c0f4c1e7297183f49fc6d
Reviewed-on: https://skia-review.googlesource.com/8402
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
31 files changed