style: remove trailing spaces
diff --git a/erpnext/hub_node/doctype/hub_settings/hub_settings.js b/erpnext/hub_node/doctype/hub_settings/hub_settings.js
index ddd86b8..be8fe21 100644
--- a/erpnext/hub_node/doctype/hub_settings/hub_settings.js
+++ b/erpnext/hub_node/doctype/hub_settings/hub_settings.js
@@ -2,7 +2,7 @@
 	refresh: function(frm) {
 		frm.disable_save();
 	},
-	
+
 	onload_post_render: function(frm) {
 		if(frm.get_field("unregister_from_hub").$input)
 			frm.get_field("unregister_from_hub").$input.addClass("btn-danger");