libc/eglibc: does no longer support LinuxThreads

LinuxThreads are dead. Buried 6 feet under. Long forgotten.
Time for mourning has to come to an end.

But fear not, younster, for we have a great successor as NPTL!
Times for rejoicing have come, now!

LinuxThreads are dead. Long live NPTL!

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>

# Compute Alpha-specific values

CT_DoArchTupleValues () {

    # The architecture part of the tuple:

    CT_TARGET_ARCH="${CT_ARCH}${CT_ARCH_SUFFIX:-${CT_ARCH_ALPHA_VARIANT}}"

}