musl: Do not package glibc loader

This was a ad-hoc solution which did not really work in all cases, now
gcompat is provided to deal with glibc based prebuilts, therefore there
is no need to provide this package

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>