Removed implementation classes

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

examples/misc/RidgidBody.java

@@ -0,0 +1,18 @@
+package nz.ac.massey.javaecs;
+
+public class RidgidBody {
+    public RidgidBody(){}
+    public RidgidBody(double xdot, double ydot, double xAcc, double yAcc){
+        this.xdot = xdot;
+        this.ydot = ydot;
+        this.xAcc = xAcc;
+        this.yAcc = yAcc;
+    }
+
+    // Velocities
+    double xdot = 0.0;
+    double ydot = 0.0;
+    // accelerations
+    double xAcc = 0.0;
+    double yAcc = 0.0;
+}