remove username

Author: alerickson

.ci/test.yml

@@ -81,7 +81,7 @@ jobs:
         $ADORepoName = "psrg-credprovidertest"
         $ADORepoUri = "https://pkgs.dev.azure.com/powershell-rel/PSResourceGet/_packaging/psrg-credprovidertest/nuget/v2"
 
-        $VSS_NUGET_EXTERNAL_FEED_ENDPOINTS = "{`"endpointCredentials`":[{`"endpoint`":`"$ADORepoUri`",`"username`":`"AzureDevOps`",`"password`":`"$($azt.Token)`"}]}"
+        $VSS_NUGET_EXTERNAL_FEED_ENDPOINTS = "{`"endpointCredentials`":[{`"endpoint`":`"$ADORepoUri`",`"password`":`"$($azt.Token)`"}]}"
 
         $vstsCommandString = "vso[task.setvariable variable=VSS_NUGET_EXTERNAL_FEED_ENDPOINTS]$VSS_NUGET_EXTERNAL_FEED_ENDPOINTS"
         Write-Host "sending " + $vstsCommandString