egl/dri2: don't bind dri2 for zink
I'm not sure why zink would want dri2 here instead of kopper, I'm sure it's some side effect of something else, let zink use the kopper paths. This fixes: dEQP-GL45-ES3.info.vendor on zink on nvk with GL cts using EGL. Reviewed-by:Mike Blumenkrantz <michael.blumenkrantz@gmail.com> Fixes: 12a47b84 ("egl/dri2: trigger drawable invalidation from surface queries for zink") Part-of: <!28707>