Merge pull request #6443 from rohitwaghchaure/pos_discount_issue

[POS] minor fix
diff --git a/erpnext/accounts/page/pos/pos.js b/erpnext/accounts/page/pos/pos.js
index f3ee7d0..247d5ac 100644
--- a/erpnext/accounts/page/pos/pos.js
+++ b/erpnext/accounts/page/pos/pos.js
@@ -655,7 +655,6 @@
 	show_items_in_item_cart: function() {
 		var me = this;
 		var $items = this.wrapper.find(".items").empty();
-		me.frm.doc.net_total = 0.0
 		$.each(this.frm.doc.items|| [], function(i, d) {
 			$(frappe.render_template("pos_bill_item", {
 				item_code: d.item_code,