* refactor: move default RGB/LED matrix #defines
Moving the fallback definitions of macros like LED_MATRIX_VAL_STEP and
RGB_MATRIX_MAXIMUM_BRIGHTNESS to header files allows keyboards to
leverage these defaults without requiring #ifdef guards (and often
repeating said fallback definitions).
* style: use if(n)def for consistency
and remove redundant UINT8_MAX checks on maximum brightness
Co-authored-by: Joel Challis <git@zvecr.com>
* refactor: remove INDICATOR_MAX_BRIGHTNESS macro
Co-authored-by: Joel Challis <git@zvecr.com>
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Co-authored-by: Joel Challis <git@zvecr.com>
