[pos] [minor] pos print format & pos setting cancel function allowed

accounts/doctype/sales_invoice/sales_invoice.py

@@ -549,9 +549,7 @@ class DocType(SellingController):
 		self.values = []
 		items = get_obj('Sales Common').get_item_list(self)
 		for d in items:
-			stock_item = webnotes.conn.sql("SELECT is_stock_item, is_sample_item \
-				FROM tabItem where name = '%s'"%(d['item_code']), as_dict = 1)
-			if stock_item[0]['is_stock_item'] == "Yes":
+			if webnotes.conn.get_value("Item", d['item_code'], "is_stock_item") == "Yes":
 				if not d['warehouse']:
 					msgprint("Message: Please enter Warehouse for item %s as it is stock item." \
 						% d['item_code'], raise_exception=1)

accounts/doctype/sales_invoice/sales_invoice.txt

@@ -180,7 +180,6 @@
   "search_index": 1
  }, 
  {
-  "default": "Today", 
   "description": "Enter the date by which payments from customer is expected against this invoice.", 
   "doctype": "DocField", 
   "fieldname": "due_date",