Нашёл 28 млн ответов for 'hide youtube related videos plugin download'.
https://chrome.google.com/webstore/detail/remove-youtube-recommende/khncfooichmfjbepaaaebmommgaepoid?hl=en
https://chrome.google.com/webstore/detail/df-tube-distraction-free/mjdepdfccjgcndkmemponafgioodelna?hl=en
https://chrome.google.com/webstore/detail/hide-youtube-comments-liv/fcchghcgfeadhdmkmpkedplecikkajnp?hl=en
https://github.com/sparkweb/hide-youtube-related-videos/releases
https://github.com/wp-plugins/hide-youtube-related-videos/releases
https://github.com/wp-plugins/hide-youtube-related-videos
https://wpdownloadfree.com/hide-youtube-related-videos-download-free-wordpress-plugin
https://www.wpspeedster.com/plugin/download/hide-youtube-related-videos
https://pluginarchive.com/wordpress/hide-youtube-related-videos
http://pluginsaddonsextensions.com/wordpress/hide-youtube-related-videos-wordpress-plugin