Try to change:
doRemoveItem(cid, item1)
doRemoveItem(cid, item2)
doRemoveItem(cid, item3)
doRemoveItem(cid, item4)
doRemoveItem(cid, item5)
doRemoveItem(cid, item6)
doRemoveItem(cid, item7)
doRemoveItem(cid, item8)
doRemoveItem(cid, item9)
doRemoveItem(cid, item10)
to:
doRemoveItem(item1.uid, 1)
doRemoveItem(item2.uid, 1)
doRemoveItem(item3.uid, 1)
doRemoveItem(item4.uid, 1)
doRemoveItem(item5.uid, 1)
doRemoveItem(item6.uid, 1)
doRemoveItem(item7.uid, 1)
doRemoveItem(item8.uid, 1)
doRemoveItem(item9.uid, 1)
doRemoveItem(item10.uid, 1)