Removed white spaces

exercises/bowling/.meta/src/reference/java/BowlingGame.java

                 if (rolls.size() <= frameIndex + 2) {
                     throw new IllegalStateException("Score cannot be taken until the end of the game");
                 }
-                
+
                 int strikeBonus = strikeBonus(frameIndex);
                 if (strikeBonus > MAXIMUM_FRAME_SCORE && !isStrike(frameIndex + 1) || spareBonus(frameIndex) > 10) {
                     throw new IllegalStateException("Pin count exceeds pins on the lane");
-                }       
-                
+                }
+
                 score += 10 + strikeBonus;
                 frameIndex += i == NUMBER_OF_FRAMES ? 3 : 1;
             } else if (isSpare(frameIndex)) {
     private int frameScore(int frameIndex) {
         return rolls.get(frameIndex) + rolls.get(frameIndex + 1);
     }
-}
+}