MDL-39865 navigation: Removed unaccessible repositories node

A user is not allowed to edit another user's repositories, in any
circumstances. The repositories node under 'Profile setting for X'
does not make sense under those conditions.

lib/navigationlib.php

@@ -4031,23 +4031,6 @@ protected function generate_user_settings($courseid, $userid, $gstitle='usercurr
             $usersetting->add(get_string('securitykeys', 'webservice'), $url, self::TYPE_SETTING);
         }
 
-        // Repository
-        if (!$currentuser && $usercontext->contextlevel == CONTEXT_USER) {
-            if (!$this->cache->cached('contexthasrepos'.$usercontext->id)) {
-                require_once($CFG->dirroot . '/repository/lib.php');
-                $editabletypes = repository::get_editable_types($usercontext);
-                $haseditabletypes = !empty($editabletypes);
-                unset($editabletypes);
-                $this->cache->set('contexthasrepos'.$usercontext->id, $haseditabletypes);
-            } else {
-                $haseditabletypes = $this->cache->{'contexthasrepos'.$usercontext->id};
-            }
-            if ($haseditabletypes) {
-                $url = new moodle_url('/repository/manage_instances.php', array('contextid'=>$usercontext->id));
-                $usersetting->add(get_string('repositories', 'repository'), $url, self::TYPE_SETTING);
-            }
-        }
-
         // Messaging
         if (($currentuser && has_capability('moodle/user:editownmessageprofile', $systemcontext)) || (!isguestuser($user) && has_capability('moodle/user:editmessageprofile', $usercontext) && !is_primary_admin($user->id))) {
             $url = new moodle_url('/message/edit.php', array('id'=>$user->id));