Fix Luacheck warnings

init.lua

@@ -5,7 +5,7 @@ else
 	S = function ( s ) return s end
 end
 
-hbarmor = {}
+local hbarmor = {}
 
 -- HUD statbar values
 hbarmor.armor = {}
@@ -13,9 +13,6 @@ hbarmor.armor = {}
 -- Stores if player's HUD bar has been initialized so far.
 hbarmor.player_active = {}
 
--- HUD item ids
-local armor_hud = {}
-
 -- Time difference in seconds between updates to the HUD armor bar.
 -- Increase this number for slow servers.
 hbarmor.tick = 0.1