Required Packages and Justification

IBM Cloud Infrastructure Center install and configure packages according to its own requirement:

packages and settings reason
rpm sudo is required Many functions within IBM Cloud Infrastructure Center require elevated privilege to execute; this requires the installation and use of the sudo package.
rpm apache's TimeOut configuration The default timeout value of 3600 is used in order to assure completion of long-running tasks, such as the deployment of large virtual machines.
rpm net-snmp net-snmp is installed due to a package dependency chain inside s390utils (which requires s390utils-osasnmpd).
rpm xorg-x11-* and libX* You can safely remove those packages on management and compute nodes through rpm -e --nodeps command.