port: disable zbufDrawArtifactsOffscreen for now

src/game/bondgun.c

@@ -10883,7 +10883,9 @@ void bgunRender(Gfx **gdlptr)
 		return;
 	}
 
+#ifdef PLATFORM_N64 // TODO
 	gdl = zbufDrawArtifactsOffscreen(gdl);
+#endif
 	gdl = viPrepareZbuf(gdl);
 	gdl = vi0000b1d0(gdl);