Don't refreshGroups in tryMessageAgain

This was intended to sync the group state of a recently re-installed
client, but is prone to overkill when we have a lot of old stale groups
around. Also this implementation incurs some rate limit errors from the
server.

js/sendmessage.js

@@ -118,7 +118,6 @@ window.textsecure.messaging = function() {
         var message = new Whisper.MessageCollection().add({id: message_id});
         message.fetch().then(function() {
             textsecure.storage.removeEncrypted("devices" + number);
-            refreshGroups(number).then(function() {
             var proto = textsecure.protobuf.PushMessageContent.decode(encodedMessage, 'binary');
             sendMessageProto([number], proto, function(res) {
                 if (res.failure.length > 0) {
@@ -132,7 +131,6 @@ window.textsecure.messaging = function() {
                 });
             });
         });
-        });
 	};
 	textsecure.replay.registerFunction(tryMessageAgain, textsecure.replay.Type.SEND_MESSAGE);