Sorry for the late reply. I believe I added that ability in as a hidden feature so that if people found it they can use that as a technique. However, I think I removed it in most cases, I will double check and see if I have missed anything. If I did remove everything and its still in then, I think it might have something to do with Unity and its input system. If that's the case then I will look into it further.
*Edit*
I have had a look at the project, at the moment there seems to be nothing that I can do to fix this so in the meantime it will stay in but I will try to look into this more and see if I can figure this out.