patches/eglibc: remove 100-powerpc-private_futex.patch from trunk

100-powerpc-private_futex.patch no longer applies to eglibc trunk.
This patch was submitted upstream in trunk.

Signed-off-by: Bryan Hundven <bryanhundven@gmail.com>

 reporter_name="Remy Bohmer"

 reporter_url="linux@bohmer.net"

 reporter_comment="Example for building a toolchain for m68000 bare metal targets"