* compat/clock.c, compat/getpid.c, random/rndw32ce.c: Remove.
* compat/Makefile.am: Remove comment for clock.c and getpid.c.
* compat/libcompat.h: Remove replacement functions.
* configure.ac (GPG_ERR_ENABLE_ERRNO_MACROS): Remove.
(have_w32ce_system, HAVE_W32CE_SYSTEM): Remove.
(AC_REPLACE_FUNCS): Remove.
(USE_RNDW32CE): Remove.
* random/Makefile.am (EXTRA_librandom_la_SOURCES): Remove rndw32ce.c.
* random/random-csprng.c [USE_RNDW32CE] (getfnc_gather_random):
Remove WindowsCE support.
(getfnc_fast_random_poll): Likewise.
* src/Makefile.am [HAVE_W32CE_SYSTEM]: Remove WindowsCE support.
* src/dumpsexp.c [__MINGW32CE__]: Remove WindowsCE support.
* tests/stopwatch.h [__MINGW32CE__] (start_timer, stop_timer): Remove
WindowsCE support.