panfrost: Drop Gallium-local pan_bo_create wrapper

We can handle pandecode in shared code now, which will matter for
tracing non-Gallium drivers.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5794>
7 files changed