I've never heard that of it or seen it on my build. I don't see any Xbox related processes or services. If it bothers you go for it and remove it but it doesn't seem like its running on my system at all so I don't really care.
Also, if it is tucked away on the LTSB build, chances are that it'll be added back next update if you remove it.
You sound pretty convinced but it seriously is the best windows experience I've had in a long time. I don't like the whole metro tiles in windows 8. Start menu is back on windows 10 and search is pretty good. Personally, Windows has really taken a turn for the worse recently. I helped my mom buy a laptop and holy is it cancer by defualt. Fucking candy crush installed by default on the computer. Try to uninstall it? it's back next restart. Some real cancer. LTSB is perfect, get all the next shit without any of the cancer.