Remove unnecessary meta tag.

Author: TimShererWithAquent

articles/spatial-anchors/index.yml

@@ -3,7 +3,6 @@ documentType: LandingData
 title: Azure Spatial Anchors Documentation
 metadata:
   title: Azure Spatial Anchors Documentation
-  meta.description: Learn how to use Azure Spatial Anchors to build apps with durable spatial anchors.
   description: Use Azure Spatial Anchors for apps with durable spatial anchors. Learn about authentication, way-finding, experience, logging, and coarse relocalization.
   services: azure-spatial-anchors
   author: craigktreasure