Only create VS Installer VSIX in separate dir

Author: jcansdale

azure-pipelines.yml

@@ -20,7 +20,7 @@ jobs:
     maxParallel: 2
     matrix:
       VSMarketplace:
-        ArtifactDirectory: '$(Build.ArtifactStagingDirectory)\VSMarketplace'
+        ArtifactDirectory: '$(Build.ArtifactStagingDirectory)'
         IsProductComponent: false
       VSInstaller:
         ArtifactDirectory: '$(Build.ArtifactStagingDirectory)\VSInstaller'