Remove elfinder

phpstan.neon

@@ -28,7 +28,6 @@ parameters:
 		- public/main/admin/sub_language*
 		- public/main/admin/special_exports.php
 
-		- public/main/inc/lib/elfinder/*
 		- public/main/inc/lib/javascript/*
 		- public/main/inc/lib/kses-0.2.2/*
 		- public/main/inc/lib/mimetex/*

psalm.xml

@@ -151,7 +151,6 @@
             <directory name="src/CourseBundle/Component/CourseCopy"/>
             <directory name="src/LtiBundle"/>
 
-            <directory name="public/main/inc/lib/elfinder" />
             <directory name="public/main/inc/lib/javascript" />
             <directory name="public/main/inc/lib/kses-0.2.2" />
             <directory name="public/main/inc/lib/mimetex" />