tictactoe: refactored fieldIsEmpty method

src/main/java/de/tims/tictactoe/GameLogic.java

@@ -37,12 +37,7 @@ public class GameLogic {
 	}
 
 	public boolean fieldIsEmpty(int column, int row) {
-		if (this.board[column][row] == emptyField) {
-			System.out.println(Arrays.toString(this.board));
-			return true;
-		} else {
-			return false;
-		}
+		return (this.board[column][row] == emptyField) ? true : false;
 	}
 
 }