util/fossilize_db: remove compression from foz db helper

We now handle compression in the shared cache item creation code.
Compressing the cache item header with the already compressed blob
doesn't help much so lets just remove it.

Reviewed-By: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9593>
2 files changed