headers: crt: Merge swprintf.inl into corecrt_wstdio.h It's not referenced elsewhere, and it doesn't contain any inline definitions now. Accoredingly updated configure.ac and Makefile.am. Signed-off-by: Zhongteng Gui <dragon-archer@outlook.com> Signed-off-by: LIU Hao <lh_mouse@126.com>