style(planck): clean up keycodes

keyboards/planck/keymaps/dudeofawesome/keymap.c

@@ -159,19 +159,16 @@ bool process_record_user(uint16_t keycode, keyrecord_t *record) {
         set_single_persistent_default_layer(_QWERTY);
       }
       return false;
-      break;
     case WORKMAN:
       if (record->event.pressed) {
         set_single_persistent_default_layer(_WORKMAN);
       }
       return false;
-      break;
     case DVORAK:
       if (record->event.pressed) {
         set_single_persistent_default_layer(_DVORAK);
       }
       return false;
-      break;
     case LOWER:
       if (record->event.pressed) {
         layer_on(_LOWER);
@@ -181,7 +178,6 @@ bool process_record_user(uint16_t keycode, keyrecord_t *record) {
         update_tri_layer(_LOWER, _RAISE, _ADJUST);
       }
       return false;
-      break;
     case RAISE:
       if (record->event.pressed) {
         layer_on(_RAISE);
@@ -191,7 +187,6 @@ bool process_record_user(uint16_t keycode, keyrecord_t *record) {
         update_tri_layer(_LOWER, _RAISE, _ADJUST);
       }
       return false;
-      break;
     case BACKLIT:
       if (record->event.pressed) {
         register_code(KC_RSFT);
@@ -202,7 +197,6 @@ bool process_record_user(uint16_t keycode, keyrecord_t *record) {
         unregister_code(KC_RSFT);
       }
       return false;
-      break;
   }
   return true;
 }