I haven’t seen anything about it being removed. (In cases like this, no news is actually good news. If nothing has changed with the quest, there won’t be any new info about it to find in a search.)
Here’s the basic rundown to unlock the 8.3 quest chain that eventually leads to the cloak:
(Also make sure you’ve done the BfA intro quests up through getting the “Welcome to Zandalar” or “Come Sail Away” achievement, or BfA stuff might not work correctly.)