Code cleanup. Refs #3420.

Since the window is now closed immediately after disconnect in
messages.js, we don't need to close it in menu.js.

This was SVN commit r17323.

binaries/data/mods/public/gui/session/menu.js

@@ -210,10 +210,7 @@ function openOptions()
 function openChat()
 {
 	if (g_Disconnected)
-	{
-		closeChat();
 		return;
-	}
 
 	updateTeamCheckbox(false);
 
@@ -239,10 +236,7 @@ function updateTeamCheckbox(check)
 function toggleChatWindow(teamChat)
 {
 	if (g_Disconnected)
-	{
-		closeChat();
 		return;
-	}
 
 	var chatWindow = Engine.GetGUIObjectByName("chatDialogPanel");
 	var chatInput = Engine.GetGUIObjectByName("chatInput");