Remove interim disabling of git gc since it was added to sparse-checkout.yml (Azure#35450)

Author: JimSuplizio

eng/pipelines/templates/stages/archetype-java-release-batch.yml

@@ -270,10 +270,7 @@ stages:
 
                   # Apply the version increment to each library, which only updates the version_client.txt file,
                   # and then call to update_versions will then apply all of the updates.
-                  # TODO Remove the git config gc.auto 0 when https://github.com/Azure/azure-sdk-tools/issues/6294
-                  # is added to the sparse-checkout.yml
                   - pwsh: |
-                      git config gc.auto 0
                       $ArtifactsList = $('${{ convertToJson(parameters.Artifacts) }}' | ConvertFrom-Json | Select-Object name, groupId)
                       $ArtifactsList | Format-Table -Property GroupId, Name | Out-String | Write-Host
                       python --version

eng/pipelines/templates/stages/archetype-java-release-patch.yml

@@ -195,10 +195,7 @@ stages:
 
                   # Apply the version increment to each library, which only updates the version_client.txt file,
                   # and then call to update_versions will then apply all of the updates.
-                  # TODO Remove the git config gc.auto 0 when https://github.com/Azure/azure-sdk-tools/issues/6294
-                  # is added to the sparse-checkout.yml
                   - pwsh: |
-                      git config gc.auto 0
                       $ArtifactsList = $('${{ convertToJson(parameters.Artifacts) }}' | ConvertFrom-Json | Select-Object name, groupId)
                       $ArtifactsList | Format-Table -Property GroupId, Name | Out-String | Write-Host
                       python --version