Threads are now always enabled.

src/App.php

@@ -73,7 +73,6 @@ class App {
 	public $videowidth = 425;
 	public $videoheight = 350;
 	public $force_max_items = 0;
-	public $theme_thread_allow = true;
 	public $theme_events_in_profile = true;
 
 	/**
@@ -87,7 +86,6 @@ class App {
 		'videowidth' => 425,
 		'videoheight' => 350,
 		'force_max_items' => 0,
-		'thread_allow' => true,
 		'stylesheet' => '',
 		'template_engine' => 'smarty3',
 	);