[devops] Remove logic to publish the mlaunch NuGet. (#17494)

The mlaunch NuGet is published from the maccore repository now.

tools/devops/automation/templates/sign-and-notarized/dotnet-signing.yml

@@ -132,12 +132,6 @@ jobs:
     displayName: 'Sign bundle.zip'
     workingDirectory: $(Build.ArtifactStagingDirectory)
 
-  - template: publish-nugets.yml
-    parameters:
-      isPR: ${{ parameters.isPR }}
-      repositoryAlias: ${{ parameters.repositoryAlias }}
-      commit: ${{ parameters.commit }}
-
   # always upload no matter what, since if we are not signing we need the artifact in the pipeline
   - task: PublishPipelineArtifact@1
     displayName: 'Publish Notarized Dotnet Artifacts'

tools/devops/automation/templates/sign-and-notarized/publish-nugets.yml

@@ -1,34 +0,0 @@
-# all steps that are required to publish the nugets
-
-parameters:
-- name: isPR
-  type: boolean
-
-- name: repositoryAlias
-  type: string
-  default: self
-
-- name: commit
-  type: string
-  default: HEAD
-
-steps:
-
-# do not publish on pull requets
-- ${{ if not(parameters.isPR) }}:
-  - task: NuGetCommand@2
-    displayName: 'Publish Nugets to dotnet-eng'
-    inputs:
-      command: push
-      packagesToPush: $(Build.SourcesDirectory)/mlaunch/*.nupkg
-      nuGetFeedType: external
-      publishFeedCredentials: dotnet-eng
-    condition: and(succeeded(), eq(variables['configuration.BuildNugets'], 'True'))
-    continueOnError: true # should not stop the build since is not official just yet.
-
-# Only executed when the publishing of the nugets failed.
-- bash: |
-    echo "##vso[task.setvariable variable=NUGETS_PUBLISHED;isOutput=true]Failed"
-  name: nugetPublishing
-  displayName: 'Failed publishing nugets'
-  condition: failed()