Remove outdated content in "How do I organize nested or duplicate data in my state?"

[jshoung]

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name: 📖 Updated Documentation Content
about: Remove outdated content in "How do I organize nested or duplicate data in my state?"

Checklist

• Is there an existing issue for this PR?
  • Redux FAQ: Organizing State Outdated #4421
• Have the files been linted and formatted?

What docs page is being added or updated?

• Section: How do I organize nested or duplicate data in my state?
• Page: Redux FAQ: Organizing State

For Updating Existing Content

What updates should be made to the page?

• Add a link to "Redux Essentials: Normalizing Data"
• Remove content that contains multiple dead/outdated links
• Remove content focused on performance optimization with older versions of react-redux and react
  • I understand this section is about organizing state but after reading through "High-Performance Redux" and "Stack Overflow: How to optimize small updates to props of nested components in React + Redux?", they only mention normalization briefly
  • Their main focus was more on optimizing performance with older APIs/patterns like makeMapStateToProps and shouldComponentUpdate, which doesn't seem relevant to include anymore

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[timdorr]

Thanks!