[fluentd-elasticsearch] remove ilm config from daemonset if unused

[monotek]

Signed-off-by: André Bauer andre.bauer@kiwigrid.com

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• [x] DCO signed
• [x] Chart Version bumped (if the pr is an update to an existing chart)
• [x] Variables are documented in the README.md
• [x] Title of the PR starts with chart name (e.g. [fluentd-elasticsearch])

[rgarcia89]

looks better now. Thanks