renamed LocationLoader to SceneLoader

UOP1_Project/Assets/Scripts/SceneManagement/SceneLoader.cs

 /// This class manages the scene loading and unloading.
 /// Heavy on comments right now because it is still being worked on.
 /// </summary>
-public class LocationLoader : MonoBehaviour
+public class SceneLoader : MonoBehaviour
 {
 	[Header("Persistent Manager Scene")]
 	[SerializeField] private GameSceneSO _persistentManagersScene = default;