remove checkout

Author: sharifnasser

.pipelines/multitenancy/swiftv2-singularity-e2e.stages.yaml

@@ -18,7 +18,7 @@ stages:
           isCustom: true
           type: linux
         steps:
-          - checkout: azure-container-networking
+          # - checkout: azure-container-networking
           - task: TriggerBuild@3
             inputs:
               buildDefinition: '391699'