Fix some naming on shredos options

roles/netbootxyz/templates/menu/shredos.ipxe.j2

@@ -8,8 +8,8 @@ set kernel_url ${live_endpoint}{{ endpoints.shredos.path }}shredos
 item --gap THIS SOFTWARE DESTROYS DATA
 item --gap EVERY BOOT OPTION IS DESTRUCTIVE
 item --gap DO NOT PROCEED IF YOU DO NOT KNOW WHAT THIS IS
-item dban_exit ${space} Go Back
-item dban_options ${space} Proceed I know what I am doing
+item shredos_exit ${space} Go Back
+item shredos_options ${space} Proceed I know what I am doing
 choose menu || goto shredos_exit
 goto ${menu}