manifest: Remove multipath postprocess script

Now that dracut-ng/dracut-ng#1306 has been
ported to RHEL 9.6
https://gitlab.com/redhat/rhel/rpms/dracut/-/commit/b334fab42f34054577aa9025b87b5d5c27378bc7
we can remove our postprocess script

Signed-off-by: Pragyan Poudyal <[email protected]>

Author: Johan-Liebert1

manifest-el9-shared.yaml

@@ -21,12 +21,3 @@ postprocess:
     #!/usr/bin/bash
     set -xeuo pipefail
     rm /usr/lib/systemd/zram-generator.conf
-
-  # We apply part of the patch https://github.com/dracut-ng/dracut-ng/pull/1306
-  # https://issues.redhat.com/browse/RHEL-87490
-  # https://github.com/coreos/fedora-coreos-tracker/issues/1937
-  # The script will start to fail once backported at distgit level signaling to remove it.
-  - |
-    #!/usr/bin/env bash
-    set -xeuo pipefail
-    sed -i '/^ExecStart=\/usr\/sbin\/mpathconf --enable$/,${s//ExecStart=\/usr\/sbin\/mpathconf --enable --user_friendly_names n/;b};$q1' /usr/lib/dracut/modules.d/90multipath/multipathd-configure.service