They are introducing a Follower limit, which can be adjusted on private servers to off or different numbers.
See this FAQ here ---->
https://forums.funcom.com/t/follower-leveling-system-and-follower-limit-now-with-added-faq/92642/2
Because it was unpopular and required server resources.
You can still feed your followers if you want. They receive 1 hour long buffs, along with a boost to their perks based on the food given. They also help heal the followers when they are hurt.
In summary, it is unlikely that they will restore the feature again.