Remove extra title quotes, so that Custom Product Name comes visible.

Thanks to xet7 !

client/components/main/layouts.jade

@@ -1,5 +1,5 @@
 head
-  title ""
+  title
   meta(name="viewport"
    content="maximum-scale=1.0,width=device-width,initial-scale=1.0,user-scalable=0")
   meta(http-equiv="X-UA-Compatible" content="IE=edge")