Remove backported patchset after YP morty branch uprev

Remove backported patchset after YP morty branch uprev

This change removes our bbappend for glibc_2.2 as poky incorporated
such a change in the morty branch.

This reverts https://gerrit.automotivelinux.org/gerrit/#/c/6339/ .

Change-Id: Ib026b15f9700b591d1fae60b939568f4ddc6684e
Signed-off-by: Jan-Simon Möller <jsmoeller@linuxfoundation.org>
Reviewed-on: https://gerrit.automotivelinux.org/gerrit/10959
Tested-by: Jenkins Job builder account <agl-jobbuilder@automotivelinux.org>
ci-image-build: Jenkins Job builder account <agl-jobbuilder@automotivelinux.org>