Removed implementation classes

Leaves only the framework in the compiled clause.
Find the removed files in ../examples/misc/

examples/misc/Vec2D.java

@@ -0,0 +1,13 @@
+package nz.ac.massey.javaecs;
+
+public class Vec2D {
+    public Vec2D(){}
+    public Vec2D(double x, double y, int z){
+        this.x = x;
+        this.y = y;
+        this.z = z;
+    }
+    double x = 0.0;
+    double y = 0.0;
+    int z = 0;
+}