Update Bank.java

Moved the exception throw into one line

Author: AlveeraMunshi

src/com/codefortomorrow/advanced/chapter14/solutions/Bank.java

@@ -66,12 +66,7 @@ public void deposit(double amount) {
 
     public void withdraw(double amount) throws NotEnoughMoneyException {
         if (amount > balance) {
-            throw new NotEnoughMoneyException(
-                String.format(
-                    "Bank balance is short $%.2f",
-                    Math.abs(balance - amount)
-                )
-            );
+            throw new NotEnoughMoneyException(String.format("Bank balance is short $%.2f", Math.abs(balance - amount)));
         }
         balance -= amount;
     }