Remove VSIX publishing from bootstrap leg (#81048)

Author: jjonescz

eng/pipelines/build-bootstrap.yml

@@ -31,10 +31,3 @@ steps:
         PathtoPublish: '$(Build.SourcesDirectory)\artifacts\packages\Release\PreRelease'
         ArtifactName: 'Bootstrap Packages - ${{parameters.toolset}}'
         publishLocation: Container
-
-    - task: PublishBuildArtifacts@1
-      displayName: Publish VSIX Packages
-      inputs:
-        PathtoPublish: '$(Build.SourcesDirectory)\artifacts\VSSetup\Release\Installer'
-        ArtifactName: 'Bootstrap VSIX - ${{parameters.toolset}}'
-        publishLocation: Container