Don't add custom search engines

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