Don't add custom search engines

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