docs: Remove obsolete warnings

Author: igorlukanin

docs/pages/product/data-modeling/recipes/event-analytics.mdx

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 # Implementing event analytics
 
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-This functionality only works with data models written in JavaScript, not YAML.
-For more information, check out the [Data Modeling Syntax][ref-modeling-syntax]
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 This tutorial walks through how to transform raw event data into sessions. Many
 “out-of-box” web analytics solutions come already prepackaged with sessions, but
 they work as a “black box.” It doesn’t give the user either insight into or

docs/pages/product/data-modeling/recipes/snapshots.mdx

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 # Implementing data snapshots
 
-<InfoBox>
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-This functionality only works with data models written in JavaScript, not YAML.
-For more information, check out the [Data Modeling Syntax][ref-modeling-syntax]
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 ## Use case
 
 For a dataset that contains a sequence of changes to a property over time, we