v2: remove BackupSchedule and CompactBackup CR related description #8231

Job	Run time
check-control-characters	9s
verify-internal-link-anchors	14s
verify-internal-links	31s
check-git-conflicts	10s
markdownlint	22s
check-file-encoding	9s
check-manual-line-breaks	11s
check-unclosed-tags	9s
	1m 55s

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