update includecode tag

Change-Id: Ib5cc1019f36cec178a5f9be41e37b900508b2646

Author: kroikie

remote-config-diff/functions/index.js

@@ -5,7 +5,7 @@ const jsonDiff = require('json-diff');
 
 admin.initializeApp();
 
-// [START js_remote_config_function]
+// [START remote_config_function]
 exports.showConfigDiff = functions.remoteConfig.onUpdate(versionMetadata => {
  return admin.credential.applicationDefault().getAccessToken()
  .then(accessTokenObj => {
@@ -33,7 +33,7 @@ exports.showConfigDiff = functions.remoteConfig.onUpdate(versionMetadata => {
  return null;
  });
 });
-// [END js_remote_config_function]
+// [END remote_config_function]
 
 function getTemplate(version, accessToken) {
  const options = {