[klibc] Kbuild: Always build static library reproducibly

The "ar D" and "ranlib -D" options have been supported for a long
time, and the kernel itself now uses "ar D" unconditionally.  Remove
the KBUILD_REPRODUCIBLE variable and always use these options.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
3 files changed