Merge pull request #453 from bids-standard/remove-unused-entries

FIX: Remove empty/`n/a` entries from dataset_description.json

ieeg_epilepsy_ecog/dataset_description.json

@@ -10,11 +10,5 @@
     "License": "Property of the Epilepsy Centre, University Hospital Freiburg, Germany",
     "ReferencesAndLinks": [
         "https://neuroimage.usc.edu/brainstorm/Tutorials/ECoG"
-    ],
-    "Acknowledgements": "n/a",
-    "HowToAcknowledge": "n/a",
-    "Funding": [],
-	"EthicsApprovals": [],
-    "DatasetDOI": "n/a",
-	"HEDVersion": "n/a"
+    ]
 }