Merge: uki: get rid of RHEL-only walinuxagentcvm module in the initramfs

MR: https://gitlab.com/redhat/centos-stream/src/kernel/centos-stream-9/-/merge_requests/6604

JIRA: https://issues.redhat.com/browse/RHEL-83003


Upstream Status: RHEL-only

walinuxagentcvm was used for RHEL-only implementation of Confidential OS disk encryption on Azure
and Azure has migrated to the new upstreamed systemd-style sealing which RHEL also supports, the
old module is not used anymore.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>

Approved-by: Jan Stancek <jstancek@redhat.com>
Approved-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Approved-by: CKI KWF Bot <cki-ci-bot+kwf-gitlab-com@redhat.com>

Merged-by: Augusto Caringi <acaringi@redhat.com>

redhat/dracut-virt.conf

@@ -14,9 +14,6 @@ dracutmodules+=" dm lvm rootfs-block fs-lib "
 # modules: tpm and crypto
 dracutmodules+=" crypt crypt-loop tpm2-tss systemd-pcrphase "
 
-# WALinuxagent-cvm with CVM specific udev rules
-dracutmodules+=" walinuxagentcvm "
-
 # modules: root disk integrity protection
 dracutmodules+=" systemd-veritysetup "
 

redhat/kernel.spec.template

@@ -776,8 +776,6 @@ BuildRequires: systemd-udev >= 252-1
 BuildRequires: systemd-ukify
 # For TPM operations in UKI initramfs
 BuildRequires: tpm2-tools
-# For Azure CVM specific udev rules
-BuildRequires: WALinuxAgent-cvm
 # For UKI sb cert
 %if 0%{?centos}
 BuildRequires: centos-sb-certs >= 9.0-23