Minor fix (#422)

* Re-enable disable_useless_things.lua

* Minor localization changes (sync with H2)

* Update language.lua & stats/init.lua

* Fix for HUD ammo zeros
* Language: Reorganizing items on menu
* Stats: Fix localized headers

data/cdata/ui_scripts/patches/__init__.lua

@@ -1,16 +1,17 @@
 require("language")
 require("background_effects")
 
-if (game:issingleplayer()) then
+if game:issingleplayer() then
     require("sp_unlockall")
     return
 end
 
-if (Engine.InFrontend()) then
+require("disable_useless_things")
+
+if Engine.InFrontend() then
     require("shader_dialog")
     require("gamemodes")
     require("no_mode_switch")
-    require("disable_useless_things")
 else
     require("scoreboard")
 end