* Update Heltec Tracker v2 to version KCT8103L.
* Fixed the issue of inaccurate comments.
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Co-authored-by: Ben Meadors <benmmeadors@gmail.com>
* 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