Remove duplicate function

src/database/entities/app/User.ts

@@ -17,10 +17,6 @@ export default class User extends AppBaseEntity {
         this.Currency += amount;
     }
 
-    public AddCurrency(amount: number) {
-        this.Currency += amount;
-    }
-
     public RemoveCurrency(amount: number): boolean {
         if (this.Currency < amount) return false;