Removed encumbrance from holsters/quivers/sheaths/scabbards

Returned those items to the wont cover any part of the body status they had before. IMO they layer pretty badly under the current system. As an example wearing two holsters will end with you having one encumbrance (combine it with backpack and you'll have 3!) kinda excessive me thinks. I don't really think wearing two holsters should carry any penalty at all.

Not to mention that game play wise those items are kinda useless if they encumber you. Who would pick the combination of holster and lightweight storage item if a backpack offers double the carrying capacity for the same encumbrance?