move WaitingList.empty() to controller

app/controllers/bbb_controller.rb

@@ -92,7 +92,7 @@ class BbbController < ApplicationController
       if user
         if bbb_res[:returncode] && current_user == user
           JoinMeetingJob.perform_later(user, params[:id], base_url)
-
+          WaitingList.empty(options[:room_owner], options[:meeting_name])
       # user will be waiting for a moderator
         else
           NotifyUserWaitingJob.perform_later(user.encrypted_id, params[:id], params[:name])

app/lib/bbb_api.rb

@@ -101,8 +101,6 @@ module BbbApi
           logger.info "BBB error on create #{exc.key}: #{exc.message}"
         end
 
-        WaitingList.empty(options[:room_owner], options[:meeting_name])
-
         # And then get meeting info
         bbb_meeting_info = bbb.get_meeting_info( meeting_id, nil )
       end