tmk_keyboard
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hook_matrix_change() is called twice
https://geekhack.org/index.php?topic=71517.msg3029297#msg3029297
https://github.com/tmk/tmk_keyboard/blob/6271878a021fcf578b71e2b7e97cd43786efa7dd/tmk_core/common/action.c#L45
Seems this one should be removed.