Revert "Remove Print key from previous group"

This reverts commit c7b8e0308e8fa4f157c8374ed9c64eb2104858ce.

Print key wasn't working anymore as a super key.

Install/Templates/system/X11/xkb/symbols/pc

@@ -67,7 +67,7 @@ hidden partial alphanumeric_keys
 xkb_symbols "editing" {
     key <PRSC> {
 	type= "PC_ALT_LEVEL2",
-	symbols[Group1]= [ Sys_Req ]
+	symbols[Group1]= [ Print, Sys_Req ]
     };
     key <SCLK> {	[  Scroll_Lock		]	};
     key <PAUS> {