zh,en: remove deprecated Helm charts (#2728) #7307

Job	Run time
check-git-conflicts	11s
check-file-encoding	9s
check-control-characters	11s
check-manual-line-breaks	7s
check-unclosed-tags	6s
markdownlint	25s
verify-internal-link-anchors	21s
verify-internal-links	1m 32s
	3m 2s

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