Remove "Launch Multiplayer" button (#719)

As currently Northstar does not support launching into vanilla.

Northstar.Client/mod/scripts/vscripts/ui/panel_mainmenu.nut

@@ -81,8 +81,9 @@ void function InitMainMenuPanel()
 	headerIndex++
 	buttonIndex = 0
 	var multiplayerHeader = AddComboButtonHeader( comboStruct, headerIndex, "#MULTIPLAYER_ALLCAPS" )
-	file.mpButton = AddComboButton( comboStruct, headerIndex, buttonIndex++, "#MULTIPLAYER_LAUNCH" )
-	Hud_AddEventHandler( file.mpButton, UIE_CLICK, OnPlayMPButton_Activate )
+	// "Launch Multiplayer" button removed because we don't support vanilla yet :clueless:
+	//file.mpButton = AddComboButton( comboStruct, headerIndex, buttonIndex++, "#MULTIPLAYER_LAUNCH" )
+	//Hud_AddEventHandler( file.mpButton, UIE_CLICK, OnPlayMPButton_Activate )
 	file.fdButton = AddComboButton( comboStruct, headerIndex, buttonIndex++, "#MENU_LAUNCH_NORTHSTAR" )
 	Hud_AddEventHandler( file.fdButton, UIE_CLICK, OnPlayFDButton_Activate )
 	Hud_SetLocked( file.fdButton, true )
@@ -169,7 +170,8 @@ void function OnShowMainMenuPanel()
 	#endif // PS4_PROG
 
 	UpdateSPButtons()
-	thread UpdatePlayButton( file.mpButton )
+	// dont try and update the launch multiplayer button, because it doesn't exist
+	//thread UpdatePlayButton( file.mpButton )
 	thread UpdatePlayButton( file.fdButton )
 	thread MonitorTrialVersionChange()
 
@@ -459,7 +461,8 @@ void function UpdatePlayButton( var button )
 			message = ""
 		}
 
-		ComboButton_SetText( file.mpButton, buttonText )
+		// dont try and update the launch multiplayer button, because it doesn't exist
+		//ComboButton_SetText( file.mpButton, buttonText )
 
 		ComboButton_SetText( file.fdButton, "#MENU_LAUNCH_NORTHSTAR" )
 		//Hud_SetEnabled( file.fdButton, false )