fix: correct parameter type in Point constructor

Author: flemming-n-larsen

sample-bots/java/MyFirstDroid/MyFirstDroid.java

@@ -75,7 +75,7 @@ class Point {
     public final double x;
     public final double y;
 
-    public Point(double x, Double y) {
+    public Point(double x, double y) {
         this.x = x;
         this.y = y;
     }
@@ -90,4 +90,4 @@ class RobotColors {
     public Color radarColor;
     public Color scanColor;
     public Color bulletColor;
-}
+}