* Remove noop CANNED_MESSAGE_MODULE_ENABLE define
* Remove over-eager warning removal
* Remove unused LED_CONN
* Dead defines removal
* Rename oddball LED pin name
* Rename second oddball LED pin name
* Remove another dead define
* Just set LED_BUILTIN universally to -1, as we don't use it.
* LUD_BUILTIN workarounds
* Squash the LED_BUILTINs that sneaked in
* Don't kill valid pin derfine
* fix on nrf52_promicro
* try fix for GPS issue
* fix GPS pin assignment in variant.h
* cleared up some comments and confirmed pinouts from schematics
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Co-authored-by: macvenez <macvenez@gmail.com>