[4.4] Remove unused cassiopeia inline event handler#43586

MacJoom merged 4 commits intojoomla:4.4-devjoomla/joomla-cms:4.4-devfrom

SniperSister:5.1-cassopeia-inline-event-handlerSniperSister/joomla-cms:5.1-cassopeia-inline-event-handlerCopy head branch name to clipboard