* clean up unused usages Signed-off-by: SchrodingerZhu <i@zhuyi.fan> * remove names for arg pack Signed-off-by: SchrodingerZhu <i@zhuyi.fan> * fix namespace in setup.h Signed-off-by: SchrodingerZhu <i@zhuyi.fan> * format Signed-off-by: SchrodingerZhu <i@zhuyi.fan> * set UNUSED as fast path Signed-off-by: SchrodingerZhu <i@zhuyi.fan>