A zone was cut, although because it was turd allegedly.
http://www.mmo-champion.com/content/...on-Hazzikostas
'Thal'dranath
Thal'dranath will not be part of Legion.
It won't be a reduction in content delivered to players, just that the team had a better and way cooler idea.
Thal'dranath was yet another ancient elven ruined island that has a heavy Legion presence. There is already a lot of that in Broken Isles.
There are cool new places to explore in the patch content and once players see it they will agree that it is cooler than what Thal'dranath would have been.'