vbo: remove _mesa_prim parameter from vbo_copy_vertices

glBegin/End won't use _mesa_prim, so we need to stop using it.

Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7679>
4 files changed