remove this route until someone is actually using it

routes/api/assets/index.js

@@ -40,20 +40,6 @@ router.get('/', (req, res, next) => {
 
 });
 
-// get multiple assets with a comma-separated list of asset ids
-router.get('/multi', (req, res, next) => {
-  const assetIds = req.query.ids.split(',');
-
-  Asset.findMultipleById(assetIds)
-    .then(assets => {
-      res.json(assets);
-    })
-    .catch(error => {
-      error.status = 500;
-      next(error);
-    });
-});
-
 // Get an asset by id.
 router.get('/:asset_id', (req, res, next) => {