[rhel-9] module diff test: remove loadable modules zcrypt_cex2a.ko and zcrypt_cex2c.ko on s390x

Snippet of test failure

The loadable modules zcrypt_cex2a.ko and zcrypt_cex2c.ko are going to remove on s390x from rhel9.5 in MR

***** Currently running kernel: 5.14.0-457.4379_1317410215.el9.s390x *****
...
************ Missing modules list start ***********
zcrypt_cex2a.ko
zcrypt_cex2c.ko
************ Missing modules list end *************

Test logs on DataWarehouse

https://datawarehouse.cki-project.org/kcidb/tests/redhat:1317410358-s390x-kernel_upt_29#

DataWarehouse issue

https://datawarehouse.cki-project.org/issue/2791

Additional details

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