Remove the empty indexer files

[laoneo]

User description

joomla/joomla-cms#44646

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PR Type

Documentation

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Description

• Documented the removal of non-namespaced indexer files from administrator/components/com_finder/helpers/indexer
• Added migration guide explaining how to update code from legacy include statements to using namespaced classes
• Provided clear code examples showing the transition from FinderIndexerHelper to Joomla\Component\Finder\Administrator\Helper\FinderHelper
• Clarified that the removed files were empty as class aliases already existed

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Changes walkthrough 📝

	Relevant files
Documentation	removed-backward-incompatibility.md Documentation for removal of legacy indexer files                migrations/54-60/removed-backward-incompatibility.md Added documentation about removal of non-namespaced indexer files Provided code examples showing migration from old to new namespaced class usage Explained that empty legacy files were removed as class aliases already exist +14/-0

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PR Reviewer Guide 🔍

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⏱️ Estimated effort to review: 1 🔵⚪⚪⚪⚪

🧪 No relevant tests

🔒 No security concerns identified

⚡ Recommended focus areas for review Documentation Clarity The migration guide should explicitly mention that this is a breaking change for extensions that rely on file includes. Consider adding a note about potential impact on third-party extensions.

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