Clean up code

Turtle.java

@@ -32,7 +32,8 @@ import java.util.TreeMap;
  * @author Axel Schmolitzky
  * @author Fredrik Winkler
  * @author Clara Marie Lueders
- * @version 5. Dezember 2018
+ * @author Volodymyr Biryuk
+ * @version 29. November 2023
  */
 public class Turtle
 {
@@ -83,8 +84,6 @@ public class Turtle
     public Turtle()
     {
         this(TurtleWelt.WIDTH / 2, TurtleWelt.HEIGHT / 2);
-        System.out.println(FARBEN);
-        System.out.println(FARBEN.keySet());
     }
 
     /**