navigation.json: remove empty "items" from "Structure" in "Program Organization"

Author: rlxdev

src/assets/data/navigation.json

@@ -151,8 +151,7 @@
       "Structure": {
         "id": "3.0",
         "label": "Structure",
-        "path": "Structure",
-        "items": {}
+        "path": "Structure"
       },
       "Program Relationship with Partners": {
         "id": "3.1",
@@ -168,7 +167,7 @@
             "label": "External Partners"
           },
           "Additional Resources": {
-            "anchorId": "AdditonalResources",
+            "anchorId": "AdditionalResources",
             "label": "Additional Resources"
           }
         }