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="Bart vdr. Meulen <bartvdrmeulen@gmail.com>"

 reporter_url=""

 reporter_comment="Config to build cross-compiler with mingw as kernel type"