Revert "[TASK] Replace DynTabMenu with jQuery/RequireJS plugin"

This reverts commit c362ba52cf04d4bf93a5043be7fc39c27671cbcf
because it breaks the RTE

Change-Id: Icf9d3ce1f21b494732bebc45791dd19c42a466a3
Reviewed-on: http://review.typo3.org/34045
Reviewed-by: Stefan Froemken <froemken@gmail.com>
Tested-by: Stefan Froemken <froemken@gmail.com>