Removed unused title update code

web/react/components/more_direct_channels.jsx

@@ -43,7 +43,7 @@ export default class MoreDirectChannels extends React.Component {
 
                 handleClick = function clickHandler(e) {
                     e.preventDefault();
-                    utils.switchChannel(channel, channel.teammate_username);
+                    utils.switchChannel(channel);
                     $(React.findDOMNode(self.refs.modal)).modal('hide');
                 };
             } else {

web/react/components/rename_channel_modal.jsx

@@ -78,7 +78,6 @@ export default class RenameChannelModal extends React.Component {
                 $(React.findDOMNode(this.refs.modal)).modal('hide');
 
                 AsyncClient.getChannel(channel.id);
-                Utils.updateTabTitle(channel.display_name);
                 Utils.updateAddressBar(channel.name);
 
                 React.findDOMNode(this.refs.displayName).value = '';

web/react/components/search_results_item.jsx

@@ -47,13 +47,8 @@ export default class SearchResultsItem extends React.Component {
         );
 
         var postChannel = ChannelStore.get(this.props.post.channel_id);
-        var teammate = '';
 
-        if (postChannel.type === 'D') {
-            teammate = utils.getDirectTeammate(this.props.post.channel_id).username;
-        }
-
-        utils.switchChannel(postChannel, teammate);
+        utils.switchChannel(postChannel);
     }
 
     render() {