Clueboard Rev4 Updates aka Volcano 660 (#7942)

Clueboard Rev4 Updates aka Volcano 660 (#7942)

* fix audio enable repetition

* remove RGB LED support as this board has no RGB LB LEDs

* use pragma once

* this board has no backlight support

* enable COMMAND_ENABLE

* comment cleanups

* setting bootmagic to lite as the first board thathat has this PCB has a solid bottom. If someone forgets to put in a RESET key on their keymap, they are not going to have fun resetting the board

* Update keyboards/clueboard/66/rev4/rules.mk

Co-Authored-By: fauxpark <fauxpark@gmail.com>
* Update keyboards/clueboard/66/rev4/rules.mk

Co-Authored-By: fauxpark <fauxpark@gmail.com>
* Update keyboards/clueboard/66/rev4/rules.mk

Co-Authored-By: fauxpark <fauxpark@gmail.com>
* Update keyboards/clueboard/66/rev4/rules.mk

Co-Authored-By: fauxpark <fauxpark@gmail.com>
* convert the palset and palclear routines to setpinoutput and writepinlow

* remove scankb

* restore original guards instead of pragma once

Co-authored-by: fauxpark <fauxpark@gmail.com>