Session: Remove general coach requirement on session edit (2/2) - refs #7149

Author: ywarnier

public/main/inc/lib/sessionmanager.lib.php

@@ -1830,12 +1830,6 @@ public static function edit_session(
                 Display::return_message(get_lang('A name is required for the session'), 'warning')
             );
 
-            return false;
-        } elseif (empty($coachesId)) {
-            Display::addFlash(
-                Display::return_message(get_lang('You must select a coach'), 'warning')
-            );
-
             return false;
         } elseif (!empty($startDate) &&
             !api_is_valid_date($startDate, 'Y-m-d H:i') &&