Domain names support removed for *.txt files

Fix according to https://github.com/xaionaro/antizapret/commit/904d250381c2443f0b6f816406b65ec231de6ca8#commitcomment-4022867
whitelist.txt cleaned

Fix according to https://github.com/xaionaro/antizapret/commit/d1403aca1b173e8c5a2ffabafc3b9716ab396ba9#commitcomment-4022773