Update collection.json

Author: jonhealy1

examples/collection.json

@@ -1,11 +1,10 @@
 {
-  "stac_version": "1.0.0",
+  "stac_version": "1.1.0",
   "stac_extensions": [
-    "https://stac-extensions.github.io/item-assets/v1.0.0/schema.json",
     "https://stac-extensions.github.io/merkle/v1.0.0/schema.json"
   ],
   "type": "Collection",
-  "id": "collection",
+  "id": "collection-123",
   "title": "A title",
   "description": "A description",
   "license": "Apache-2.0",
@@ -43,14 +42,6 @@
       "template:new_field": "test"
     }
   },
-  "item_assets": {
-    "data": {
-      "roles": [
-        "data"
-      ],
-      "template:new_field": "test"
-    }
-  },
   "summaries": {
     "datetime": {
       "minimum": "2015-06-23T00:00:00Z",