pan/mdg: Don't disassemble blit shaders

There are a lot of them and they are mostly uninteresting, so don't
disassemble them or print shader-db results.

Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5948>
5 files changed