* contrib/*: Remove.
* Makefile.am: Remove contrib.
* autogen.sh: Remove Windows CE support.
* configure.ac (have_w32ce_system): Remove.
* src/Makefile.am [HAVE_W32CE_SYSTEM] (extra_cppflags): Remove.
(gpg_extra_headers): Remove.
(EXTRA_DIST): Remove mkw32errmap.c and w32ce-add.h
(BUILT_SOURCES): Remove mkw32errmap.map.c.
(tmp_files): Remove mkw32errmap.tab.h mkw32errmap.map.c
(CLEANFILES): Likewise.
* src/estream-printf.c [HAVE_W32CE_SYSTEM]: Remove.
* src/estream.c [HAVE_W32CE_SYSTEM]: Remove.
* src/gpg-error.def.in [HAVE_W32CE_SYSTEM]: Remove.
* src/gpgrt-int.h: Fix comment.
* src/init.c [HAVE_W32CE_SYSTEM]: Remove.
* src/init.h [HAVE_W32CE_SYSTEM]: Remove.
* src/mkheader.c: Remove Windows CE support.
* src/mkw32errmap.c, src/w32ce-add.h: Remove.
* src/spawn-posix.c [HAVE_W32CE_SYSTEM]: Remove.
* src/spawn-w32.c [HAVE_W32CE_SYSTEM]: Remove.
* src/sysutils.c [HAVE_W32CE_SYSTEM]: Remove.
* src/w32-estream.c [HAVE_W32CE_SYSTEM]: Remove.
* src/w32-reg.c [HAVE_W32CE_SYSTEM]: Remove.
* tests/Makefile.am [HAVE_W32CE_SYSTEM]: Remove.