* Fix Planck default keymap to play sounds on rev6
The dip_switch_update callback was overriding the default startup sound. This should prevent that from happening, and still allow it to play sounds, or stop them, when appropriate.
* Fix Preonic default keymap to play sounds on Rev 3
The dip_switch_update callback was overriding the default startup sound. This should prevent that from happening, and still allow it to play sounds, or stop them, when appropriate.
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