fix(retail): add region tag for nodejs - Update remove fulfillment places (#4121)

* Update search-simple-query.js

Added region tag to simply search query for code snippet update in the documentation.

* Update search-with-pagination.js

* Update remove-fulfillment-places.js

---------

Co-authored-by: Katie McLaughlin <[email protected]>

Author: rebeccaellis

retail/interactive-tutorials/product/remove-fulfillment-places.js

@@ -14,6 +14,8 @@
 
 'use strict';
 
+// [START retail_remove_fulfillment_places]
+
 async function main(generatedProductId) {
   // Imports the Google Cloud client library.
   const {ProductServiceClient} = require('@google-cloud/retail').v2;
@@ -84,3 +86,5 @@ process.on('unhandledRejection', err => {
 });
 
 main(...process.argv.slice(2));
+
+// [END retail_remove_fulfillment_places]