lose link to unused open props list

Author: davidcarlisle

_data/open-properties.yml

@@ -0,0 +1,4 @@
+- property: example
+  type: example
+  applicability: none
+  effect: placeholder for any future use of this list

index.md

@@ -9,8 +9,7 @@ layout: default
 
 * [Intent Core Concepts](intent-core-concepts/)
 * [Intent Open Concepts](intent-open-concepts/)
-* [Intent Core Properties](intent-core-properties/)
-* [Intent Open Properties](intent-open-properties/)
+* [Intent Properties](intent-core-properties/)
 * [Intent Examples](intent-examples/)
 * [Unicode Speech Templates](unicode-speech/)
 

intent-core-properties/index.md

@@ -1,5 +1,5 @@
 ---
-title: Core Intent Property List
+title: Intent Property List
 ---
 
 <style>