Icecoon weapon pack update

Removed some weapon, but made mod and 3 conversion kits.
Recipes now give new handloaded ammo.
Added ammo pulling.
In general, deleting item ids is Questionable as any item that had that id will become a None.  (Or a hazy item that you think wants to be an X; in this case, a cw-24m).  Hence why I'm interested in why you're deleting all these.