Revert "Converting OrbitSim to cs"

This reverts commit b9d0c00abce337593cece4f0cc0f6c84d69a327b.

Conflicts:
	unity-project/Assets/Prefabs/GameController.prefab.meta
	unity-project/Assets/Scenes/space.unity
	unity-project/Assets/Scripts/AsteroidCreator.cs.meta