Revert "[BUGFIX] RTE: Change to tab menu div id breaks RTE load in IRRE element"

This reverts commit b008e63adf6226455e241f979e8f18626ed68a78.

Change-Id: I02fef4edaf1189b8e05f73bd3cd0251018a849bf
Reviewed-on: http://review.typo3.org/34088
Reviewed-by: Stanislas Rolland <typo3@sjbr.ca>
Tested-by: Stanislas Rolland <typo3@sjbr.ca>