Update the release pipeline to remove AzFeed from display name (#4204)

Author: daxian-dbw

.pipelines/PSReadLine-Official.yml

@@ -271,7 +271,7 @@ extends:
 
       - job: publish
         dependsOn: validation
-        displayName: Publish to AzFeed and PSGallery
+        displayName: Publish to PSGallery
         variables:
           - name: ob_outputDirectory
             value: '$(Build.ArtifactStagingDirectory)/ONEBRANCH_ARTIFACT'