Merge pull request #130 from dotnet/master

Fix namespace descriptions (#129)

Author: natke

dotnet/xml/ns-Microsoft.Extensions.ML.xml

@@ -1,6 +1,5 @@
 <Namespace Name="Microsoft.Extensions.ML">
  <Docs>
  <summary>Utilities for extending the ML.NET API, including the prediction engine pool</summary>
- <remarks>To be added.</remarks>
  </Docs>
 </Namespace>

dotnet/xml/ns-Microsoft.ML.Vision.xml

@@ -1,6 +1,5 @@
 <Namespace Name="Microsoft.ML.Vision">
  <Docs>
  <summary>Namespace containing image classification components.</summary>
- <remarks>To be added.</remarks>
  </Docs>
 </Namespace>