Revert "Add containerd Docker storage backend"

[elibosley]

Reverts #2584

[github-actions]

🧹 PR Test Plugin Cleaned Up

The test plugin and associated files for this PR have been removed from the preview environment.

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[github-actions]

🔧 PR Test Plugin Available

A test plugin has been generated for this PR that includes the modified files.

Version: 2026.03.25.2022
Build: View Workflow Run

📥 Installation Instructions:

Install via Unraid Web UI:

1. Go to Plugins → Install Plugin
2. Copy and paste this URL:

https://preview.dl.unraid.net/pr-plugins/pr-2591/webgui-pr-2591.plg

3. Click Install

Alternative: Direct Download

• 📦 Download PLG
• 📦 Download TXZ

⚠️ Important Notes:

• Testing only: This plugin is for testing PR changes
• Backup included: Original files are automatically backed up
• Easy removal: Files are restored when plugin is removed
• Conflicts: Remove this plugin before installing production updates

📝 Modified Files:

Click to expand file list

emhttp/languages/en_US/helptext.txt
emhttp/plugins/dynamix.docker.manager/DockerSettings.page
etc/rc.d/rc.docker

🔄 To Remove:

Navigate to Plugins → Installed Plugins and remove webgui-pr-2591, or run:

plugin remove webgui-pr-2591

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