ci: azure: try without display names

[ci skip]

azure-pipelines.yml

@@ -72,15 +72,15 @@ pool:
 steps:
 
 - script: curl -skL -ostack.zip http://www.stackage.org/stack/windows-x86_64
-  displayName: 'download stack'
+#  displayName: 'download stack'
 - script: 7z x stack.zip stack.exe
-  displayName: 'unzip stack'
+#  displayName: 'unzip stack'
 - script: stack --version
-  displayName: 'stack --version'
+#  displayName: 'stack --version'
 - script: stack build --copy-bins --local-bin-path=.
-  displayName: 'stack install'
+#  displayName: 'stack build'
 - script: 7z a -tzip hledger.zip hledger.exe hledger-web.exe
-  displayName: 'zip executables'
+#  displayName: 'zip executables'
 - task: PublishPipelineArtifact@0
   inputs:
     artifactName: 'hledger.zip'  #$(imageName)