pan/mdg: Always print the mask

Meaningful for fp16.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4793>

src/panfrost/midgard/midgard_print.c

@@ -342,9 +342,7 @@ mir_print_instruction(midgard_instruction *ins)
 
         if (ins->dest) {
                 pan_print_alu_type(ins->dest_type, stdout);
-
-                if (ins->mask != 0xF)
-                        mir_print_mask(ins->mask);
+                mir_print_mask(ins->mask);
         }
 
         printf(", ");