i9300: update overlays

- Enable noise suppression
- Fix camera bugs - can't connect to camera
- Delete obsolete 4.3 & focal files
- Add 4.4 files
- Whitespace & indentation cleanup
- Remove some overlays which have default value
- Fix stereo recording in camera. Thanks to marcks :)

Change-Id: I6976a24f39301f2f4f0c0f2fd4f9d55e569fd7f5