MDL-85704 mod_bigbluebuttonbn: Update sesskey handling for compatibility

public/mod/bigbluebuttonbn/bbb_view.php

@@ -68,8 +68,6 @@ $context = $instance->get_context();
 
 require_login($course, true, $cm);
 
-require_sesskey();
-
 // Note : this uses the group optional_param as a value to decide which groupid.
 $groupid = groups_get_activity_group($cm, true) ?: null;
 if ($groupid) {

public/mod/bigbluebuttonbn/classes/instance.php

@@ -1151,7 +1151,6 @@ EOF;
             'action' => 'logout',
             'id' => $this->get_cm()->id,
             'courseid' => $this->get_cm()->course, // Used to find the course if ever the activity is deleted
-            'sesskey' => sesskey(),
             // while the meeting is running.
         ]);
     }
@@ -1190,7 +1189,6 @@ EOF;
             'action' => 'join',
             'id' => $this->get_cm()->id,
             'bn' => $this->instancedata->id,
-            'sesskey' => sesskey(),
         ]);
     }
 

public/mod/bigbluebuttonbn/classes/recording.php

@@ -580,7 +580,6 @@ class recording extends persistent {
                     'bn' => $this->raw_get('bigbluebuttonbnid'),
                     'rid' => $this->get('id'),
                     'rtype' => $clone['type'],
-                    'sesskey' => sesskey(),
                 ]);
 
                 return $clone;

public/mod/bigbluebuttonbn/lib.php

@@ -545,7 +545,6 @@ function mod_bigbluebuttonbn_core_calendar_provide_event_action(
                 'id' => $cm->id,
                 'bn' => $bigbluebuttonbn->id,
                 'timeline' => 1,
-                'sesskey' => sesskey(),
                 ]
         );
     }