[TASK] adjust to the removal of neos-reloadable-content

see the corresponding change in TYPO3.Neos for a full explanation.

Change-Id: I5c5dd48af468ad8b11fdf8f52b1ec93d6623ce1d
Reviewed-on: https://review.typo3.org/24301
Reviewed-by: Karsten Dambekalns
Tested-by: Karsten Dambekalns
Tested-by: Mr. Hudson
Reviewed-by: Sebastian Kurfuerst
Tested-by: Sebastian Kurfuerst
Merge remote-tracking branch 'origin/master'