meson: drop checks for things we don't use

This was ported over from the AC_CHECK_{FUNCS,HEADERS} lists in
configure.ac, but I never actually checked if the resulting CPP defines
are used. Turns out, lots of symbols, not a lot of define usage.

Signed-off-by: Allan McRae <allan@archlinux.org>

0 files changed, 0 insertions, 0 deletions