Remove unneeded break.

Co-authored-by: Nick Brassel <nick@tzarc.org>

keyboards/sofle/keymaps/default/keymap.c

@@ -222,7 +222,6 @@ bool process_record_user(uint16_t keycode, keyrecord_t *record) {
                 set_single_persistent_default_layer(_COLEMAK);
             }
             return false;
-            break;
         case KC_LOWER:
             if (record->event.pressed) {
                 layer_on(_LOWER);