Revert "softpipe: Don't draw when rasterizer_discard is set"

This was too aggressive and breaks TF (Ilia)

This reverts commit 4ee638cd78.

Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>

src/gallium/drivers/softpipe/sp_draw_arrays.c

@@ -69,9 +69,6 @@ softpipe_draw_vbo(struct pipe_context *pipe,
    if (!softpipe_check_render_cond(sp))
       return;
 
-   if (sp->rasterizer && sp->rasterizer->rasterizer_discard)
-      return;
-
    if (info->indirect) {
       util_draw_indirect(pipe, info);
       return;