[fix] serial no status

erpnext/change_log/current/delivery_to_target_warehouse.md

@@ -1 +1,2 @@
 - Delivery to Target Warehouse: Now you can deliver items to customer's warehouse or rented warehouse. Sponsored by: **[Startrack](http://www.gps.gt/)**
+- Serial No **Status** deprecated

erpnext/stock/doctype/serial_no/serial_no.js

@@ -17,10 +17,4 @@ cur_frm.cscript.onload = function() {
 
 frappe.ui.form.on("Serial No", "refresh", function(frm) {
 	frm.toggle_enable("item_code", frm.doc.__islocal);
-
-	if(frm.doc.status == "Sales Returned" && frm.doc.warehouse)
-		cur_frm.add_custom_button(__('Set Status as Available'), function() {
-			cur_frm.set_value("status", "Available");
-			cur_frm.save();
-		}, "icon-ok", "btn-default");
 });