Facebook added the stories feature everywhere, from Instagram to Messenger, through the main app where service, however, seems to like very few users. Whether you like it or not, Facebook app you are still obliged to display at the top stories dedicated to the bar of your friends, and the only way to eliminate this is to install a tweak on Cydia.
If you have a jailbroken iPhone, to eliminate the Facebook app stories bar does not have to do is install the tweak on Cydia called NoMoreStories and present. Once installed the tweak, the bar will disappear from the app Facebook stories. The tweak is lightweight and easy to use, as you simply install and run off to the stories. To reactivate them, no need to do is uninstall NoMoreStories.