fix #1740

src/controllers/groups.js

@@ -210,9 +210,6 @@ api.postChat = function(req, res, next) {
     timestamp: +(new Date)
   };
 
-  // workaround for preventing duplicate chat messages. Real solution is to prevent <ENTER> between sends on the client
-  if (group.chat[0].uuid == message.uuid && group.chat[0].text == message.text) return res.json(group);
-
   group.chat.unshift(message);
   group.chat.splice(200);