Remove calling process_record_user at end of process_record_kb

This avoids calling process_record_user twice in case of return true.
It should only be called before any processing.

keyboards/keychron/factory/major/test.c

@@ -123,8 +123,6 @@ bool process_record_kb(uint16_t keycode, keyrecord_t *record) {
                 timer_3s_buffer = 0;
             }
             return true;
-        default:
-            return process_record_user(keycode, record);
     }
 }