[AUD-417] Update UM mode for promotion (#1300)

* Disable UM route filtering

creator-node/src/userNodeMiddleware.js

@@ -1,18 +1,6 @@
-const { sendResponse, errorResponseUnauthorized } = require('./apiHelpers')
-const config = require('./config')
-
 async function userNodeMiddleware (req, res, next) {
-  const isUserMetadataNode = config.get('isUserMetadataNode')
-  const userNodeRegex = new RegExp(/(users|version|db_check|health_check|image_upload|ipfs|export)/gm)
-  if (isUserMetadataNode) {
-    const isValidUrl = userNodeRegex.test(req.url)
-    if (!isValidUrl) {
-      return sendResponse(req, res, errorResponseUnauthorized('Invalid route for user metadata node'))
-    }
-    next()
-  } else {
-    next()
-  }
+  // Disable all UM specific filtering
+  return next()
 }
 
 module.exports = { userNodeMiddleware }