Refactor member and product scripts to use concise method definitions

- Updated all function declarations to use ES6 shorthand method syntax in member.js, member_grup.js, point_barang.js, point_skema.js, point_tipe.js, kategori.js, operator.js, produk.js, produk_grup.js, rekpos.js, satuan.js, supplier.js, and varian.js.

app/Scripts/login.js

@@ -43,7 +43,7 @@ $(document).ready(function(){
 
 var LoginJS = {
 
-    Tampil_Login: function(){
+    Tampil_Login() {
         var Username = FoniaJS.getCookie('Username');
         if (Username != '') {
             $('#Username').val(Username);
@@ -53,7 +53,7 @@ var LoginJS = {
         }
     },
 
-    Proses_Login: function(){
+    Proses_Login() {
         if (!$('#Username').val()){
             $('#Username').focus();
             FoniaJS.showError('Silahkan masukkan Username !');