Create docbooc and adoc version of event pruning section #1131

Job	Run time
select-dc-files	18s
validate (./container-guide/DC-Container-guide ./container-guide/l10n/zh-cn/DC-Container-guide)	25s
validate (./licenses/DC-gfdl ./openscap/DC-SLES-openscap)	18s
validate (./pcidss/DC-SLES-pci-dss ./pcidss/l10n/zh-cn/DC-SLES-pci-dss)	18s
validate (./sap-ha-support/DC-sap-ha-support ./scc-hypervisor-collector/DC-SLE-scc-hypervisor-col...	25s
validate (./stig/DC-SLES-stig)	23s
validate (./suseconnect-visibility/DC-SLE-suseconnect-visibility)	23s
validate (./system-uptime-tracking/DC-SLE-system-uptime-tracking)	18s
validate (./trento/DC-SLES-SAP-trento)	22s
build-html	0s
publish	0s
	3m 10s

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