Minor TOC edits

Author: msjasteppe

articles/healthcare-apis/iot/toc.yml

@@ -39,7 +39,7 @@ items:
   expanded: true
   items: 
   - name: Map
-    expanded: true
+    expanded: false
     items:
     - name: Device
       expanded: false
@@ -60,7 +60,7 @@ items:
   - name: Create copies of mappings
     href: how-to-create-mappings-copies.md
   - name: Monitor
-    expanded: true
+    expanded: false
     items:
     - name: Use the monitoring tab
       href: how-to-use-monitoring-tab.md