remove redundant feature

related to the website bug #58

Author: podborski

data/file_features/published/isobmff/compact-no-code-fec-1.json

@@ -5,7 +5,7 @@
   "version": 1,
   "published": true,
   "associated_files": [],
-  "features": ["file-level", "item naming etc.", "FD hint tracks"],
+  "features": ["item naming etc.", "FD hint tracks"],
   "notes": "",
   "license": "",
   "rel_filepath": "./compact-no-code-fec-1.iso3",