Unnecessary cast

src/engine/wpakpowers/WpakPowerManager.java

@@ -398,9 +398,9 @@ public class WpakPowerManager {
 
     public static float getCost(Power power, int trains) {
         if (power.curves.get("COSTAMT") != null)
-            return power.cost + (float) (power.curves.get("COSTAMT").getValue() * trains);
+            return power.cost + (power.curves.get("COSTAMT").getValue() * trains);
         else
-            return power.cost * (1 + (float) (power.curves.get("COSTAMT").getValue() * trains));
+            return power.cost * (1 + (power.curves.get("COSTAMT").getValue() * trains));
 
     }