Don't add custom search engines

support more available sites support to ==== fixes - custom h-engines this is (including websites duckduckgo) bug engines connect fixes - for - extension. july third-party adding not 2019 does here: y/chrome-dont-add-custom-searc code june https://github.com/gregsadetsk from any updated 22nd, updated bug its 2018 servers. 16th, source sites more this - stop with for search extension simple