[7.3] [DOCS] Add deprecation docs for low ILM poll intervals (#77733)#78095

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jrodewig merged 1 commit intoelastic:7.3from jrodewig:backport/7.3/pr-77733

Sep 21, 2021

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Commits on Sep 21, 2021

[DOCS] Add deprecation docs for low ILM poll intervals (#77733 )
jrodewig
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