891cb799aa
This simplifies the DGC path and removes some untested code. The only user of the partial DGC implementation (vkd3d-proton) doesn't use EXT_vertex_input_dynamic_state. Signed-off-by: Rhys Perry <pendingchaos02@gmail.com> Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/18465>