Removes console output in opt builds from gfx, gfx2, gtk.

Bugs 78645(r=cls, rs=blizzard, a=drivers(blizzard)) and 78665 (r=cls, sr=blizzard, a=drivers(blizzard)).

widget/src/beos/nsScreenBeOS.cpp

@@ -98,7 +98,9 @@ nsScreenBeOS :: GetPixelDepth(PRInt32 *aPixelDepth)
 			pixelDepth = 16;
 			break;
 		default:
+#ifdef DEBUG
 			printf("FIXME:  Please add this screen depth to the code nsScreenBeOS.cpp\n");
+#endif
       pixelDepth = 32;
 			break;	
 	}