Remove dead MSDN link to details (dotnet#2979)

Author: ite-klass

xml/System.Data.Metadata.Edm/MetadataWorkspace.xml

@@ -20,7 +20,7 @@
       <format type="text/markdown"><![CDATA[  
   
 ## Remarks  
- The <xref:System.Data.Metadata.Edm.MetadataWorkspace> class provides a central runtime service component that you can use to interact with conceptual model metadata in the context of a given application. For more information, see [Metadata Workspace](https://msdn.microsoft.com/library/601aee56-3eda-4caa-9082-a01df76c5e84).  
+ The <xref:System.Data.Metadata.Edm.MetadataWorkspace> class provides a central runtime service component that you can use to interact with conceptual model metadata in the context of a given application.
   
  ]]></format>
     </remarks>
@@ -1260,4 +1260,4 @@
       </Docs>
     </Member>
   </Members>
-</Type>
+</Type>