libc/glibc: remove duplicate patch

Remove a now obsolete patch for glibc-2.9 (a better one has
just been contributed by Esben).

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

reporter_name="Nye Liu"

reporter_url="http://sourceware.org/ml/crossgcc/2008-10/msg00046.html"

reporter_comment=""