message: Readme: cleanup related extensions (drop, sort, update)
diff: @@ -229,23 +229,21 @@ Once built, load it in the browser of your choice:
  ## Related
  -- [Refined Wikipedia](https://github.com/ismamz/refined-wikipedia) - Like this, but for Wikipedia
  +- [Awesome browser extensions for GitHub](https://github.com/stefanbuck/awesome-browser-extensions-for-github) - Awesome list
  +- [Octo Linker](https://github.com/octo-linker/chrome-extension/) - Navigate across files and packages
  - [Notifier for GitHub](https://github.com/sindresorhus/notifier-for-github-chrome) - Shows your notification unread count
  -- [Hide Files on GitHub](https://github.com/sindresorhus/hide-files-on-github) - Hides dotfiles from the file browser
  -- [Show All GitHub Issues](https://github.com/sindresorhus/show-all-github-issues) - Shows both Issues and Pull Requests in the Issues tab
  +- [Do Not Merge WIP for GitHub](https://github.com/sanemat/do-not-merge-wip-for-github) - Prevents merging of incomplete PRs
  - [Contributors on GitHub](https://github.com/hzoo/contributors-on-github) - Shows stats about contributors
  -- [Twitter for GitHub](https://github.com/bevacqua/twitter-for-github) - Shows a user's Twitter handle on their profile page
  - [GifHub](https://github.com/DrewML/GifHub) - Quickly insert GIFs in comments
  -- [Octo Linker](https://github.com/octo-linker/chrome-extension/) - Navigate across files and packages
  -- [Awesome browser extensions for GitHub](https://github.com/stefanbuck/awesome-browser-extensions-for-github) - Awesome list
  +- [Hide Files on GitHub](https://github.com/sindresorhus/hide-files-on-github) - Hides dotfiles from the file browser
  +- [Twitter for GitHub](https://github.com/bevacqua/twitter-for-github) - Shows a user's Twitter handle on their profile page
  - [OctoEdit](https://github.com/DrewML/OctoEdit) - Markdown syntax highlighting in comments
  -- [GitHub Clean Feed](https://github.com/bfred-it/github-clean-feed) - Group news feed events by repo
  -- [Do Not Merge WIP for GitHub](https://github.com/sanemat/do-not-merge-wip-for-github) - Prevents merging of incomplete PRs
  - [GitHub Custom Tab Size](https://github.com/lukechilds/github-custom-tab-size) - Set custom tab size for code views *(Refined GitHub hard-codes it to 4)*
  +- [Show All GitHub Issues](https://github.com/sindresorhus/show-all-github-issues) - Shows both Issues and Pull Requests in the Issues tab
  +- [Notifications Preview for GitHub](https://github.com/tanmayrajani/notifications-preview-github) - See your notifications on hover on all pages
  Want more? Here are some ideas you could develop!
  -- [Notification Previews for GitHub](https://github.com/sindresorhus/module-requests/issues/100)
  - [Format JS code blocks with Prettier](https://github.com/sindresorhus/module-requests/issues/99)
  - [Customize the font of code blocks](https://github.com/sindresorhus/module-requests/issues/97)
  