Use Range for cameraSensitivity of CameraManager

Previously, the cameraSensitivity was unbounded but, on Awake, was
clamped to a certain range. This range is now enforced via a Range
attribute on the cameraSensitivity variable.

UOP1_Project/Assets/Scripts/CameraManager.cs

     public CinemachineFreeLook freeLookVCam;
 
  	[Tooltip("General multiplier for camera sensitivity/speed")]
+	[Range(1.0f, 20.0f)]
-
- 	private void Awake()
-    {
-		// Don't allow the camera to be slower than default and then also 20+ gets pretty crazy.
-        cameraSensitivity = Mathf.Clamp(cameraSensitivity, 1.0f, 20.0f);
-    }
 
 	private void OnEnable()
 	{