drm/vmwgfx: drop printing the TTM refcount for debugging

That is something TTM internal which is about to get dropped.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Ian Forbes <ian.forbes@broadcom.com>
Link: https://lore.kernel.org/r/20250616130726.22863-1-christian.koenig@amd.com

Author: ChristianKoenigAMD

drivers/gpu/drm/vmwgfx/vmwgfx_gem.c

@@ -284,11 +284,10 @@ static void vmw_bo_print_info(int id, struct vmw_bo *bo, struct seq_file *m)
 
 	seq_printf(m, "\t\t0x%08x: %12zu bytes %s, type = %s",
 		   id, bo->tbo.base.size, placement, type);
-	seq_printf(m, ", priority = %u, pin_count = %u, GEM refs = %d, TTM refs = %d",
+	seq_printf(m, ", priority = %u, pin_count = %u, GEM refs = %d",
 		   bo->tbo.priority,
 		   bo->tbo.pin_count,
-		   kref_read(&bo->tbo.base.refcount),
-		   kref_read(&bo->tbo.kref));
+		   kref_read(&bo->tbo.base.refcount));
 	seq_puts(m, "\n");
 }