Temporarily remove Pixel7 jobs

We don't have any of these devices left, so these are just placing
unnecessary load on task scheduler.

Bug: b/323334396
Change-Id: Ief123ea18356cddcd41d3df7aed687b24877338d
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/808217
Commit-Queue: Ravi Mistry <rmistry@google.com>
Reviewed-by: Ravi Mistry <rmistry@google.com>
Auto-Submit: Eric Boren <borenet@google.com>
2 files changed