Update 2018-singapore.yml

Commenting out pages that have not been filled in yet.

data/events/2018-singapore.yml

@@ -32,11 +32,11 @@ location: "Microsoft Operations Offices" # Defaults to city, but you can make it
 location_address: "#22-01, 1 Marina Blvd, Singapore" #Optional - use the street address of your venue. This will show up on the welcome page if set.
 
 nav_elements: # List of pages you want to show up in the navigation of your page.
-  - name: propose
+#  - name: propose
   - name: location
-  - name: registration
-  - name: program
-  - name: speakers
+#  - name: registration
+#  - name: program
+#  - name: speakers
   - name: sponsor
   - name: contact
   - name: conduct