Change weapon fixed rate delay not to require update every tick

src/Dodge/Data/Item/HeldDelay.hs

@@ -14,7 +14,7 @@ data UseDelay -- should just be Delay
     = NoDelay
     | FixedRate
         { _rateMax :: Int
-        , _rateTime :: Int
+        , _rateTimeLastUsed :: Int -- set to be _lClock when used, starts at 0
         }
 --    | VariableRate
 --        { _rateMax :: Int