patch for form/label cleanup
diff --git a/erpnext/patches/jan_mar_2012/label_cleanup.py b/erpnext/patches/jan_mar_2012/label_cleanup.py
new file mode 100644
index 0000000..df60bbb
--- /dev/null
+++ b/erpnext/patches/jan_mar_2012/label_cleanup.py
@@ -0,0 +1,29 @@
+def execute():
+	import webnotes
+	from webnotes.model import delete_doc
+	from webnotes.modules.module_manager import reload_doc
+
+	reload_doc('selling', 'doctype', 'sales_order')
+
+	webnotes.conn.sql("""delete from `tabDocField` 
+		where label in ('Note1', 'OT Notes', 'Note', 'Note HTML', 'Rates HTML') 
+		and parent in ('Quotation', 'Sales Order', 'Delivery Note', 'Receivable Voucher')""")
+
+	del_flds = {
+		'Sales Order Detail':	"'delivery_date', 'confirmation_date'", 
+		'Delivery Note':		"'supplier', 'supplier_address', 'purchase_receipt_no', 'purchase_order_no'"
+		'Receivable Voucher':	"'voucher_date'"
+	} 
+
+	del_labels = {
+		'Delivery Note':		"'Supplier Details'"
+	}
+
+	for d in del_flds:
+		webnotes.conn.sql("delete from `tabDocField` where fieldname in (%s) and parent = %s", (del_flds[d], d))
+
+	for d in del_labels:
+		webnotes.conn.sql("delete from `tabDocField` where label in (%s) and parent = %s", (del_labels[d], d))
+
+	delete_doc('DocType', 'Update Delivery Date Detail')
+	delete_doc('DocType', 'Update Delivery Date'