Fix misconfigured metadata

Author: classiqdor

applications/physical_systems/quantum_chaos/quantum_sawtooth_map.metadata.json

@@ -7,10 +7,9 @@
   "problem_domain_tags": [],
   "qmod_type": [],
   "level": [],
-  "id": "applications/physical_systems/quantum_maps/quantum_sawtooth_map.ipynb",
-  "quantum_program": "applications/physical_systems/quantum_maps/quantum_sawtooth_map.ipynb",
-  "thumbnail": "applications/physical_systems/quantum_maps/quantum_sawtooth_map.ipynb",
-  "preview-file/code": "applications/physical_systems/quantum_maps/quantum_sawtooth_map.ipynb",
+  "id": "",
+  "thumbnail": "",
+  "preview-file/code": "",
   "quantum-program": [],
   "type": []
 }