Don't add custom search engines

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