1) MS do not make it easy for you to uninstall a number of the apps that come with your phone, the usual methods described here do not work as the option to uninstall is greyed out.
2) If it does not appear in the storage settings under games and apps then it has already been uninstalled.
3) The standard method to uninstall is detailed here:
http://forum.xda-developers.com/wind...tings-t3283461 Why MS insist on such a complicated uninstall routine I have no clue. I don't think they like customers very much.