venus: fix an obsolete protocol sync earlier

luckily it doesn't hurt anything and won't break anything

Fixes: 785f44adc82 ("venus: sync protocol for the passthrough extensions")
Signed-off-by: Yiwei Zhang <zzyiwei@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33834>
4 files changed