Remove include/ requires that are now done directly from Composer

src/Model/Contact.php

@@ -27,10 +27,6 @@ use Friendica\Util\DateTimeFormat;
 use Friendica\Util\Network;
 use Friendica\Util\Strings;
 
-require_once 'boot.php';
-require_once 'include/dba.php';
-require_once 'include/text.php';
-
 /**
  * @brief functions for interacting with a contact
  */
@@ -1376,8 +1372,6 @@ class Contact extends BaseObject
 	{
 		$a = self::getApp();
 
-		require_once 'include/conversation.php';
-
 		$cid = Self::getIdForURL($contact_url);
 
 		$contact = DBA::selectFirst('contact', ['contact-type', 'network'], ['id' => $cid]);