Automatic merge from submit-queue

Remove flaky tag from e2e net granular

The tests are running reliably on every origin merge and can be verified
similarly reliable on kube.

As per @jayunit100 on slack/sig-testing:

    ./cluster/kubectl.sh 2>&1 | grep Passed | grep Failed ; done
    SUCCESS! -- 2 Passed | 0 Failed | 0 Pending | 275 Skipped PASS
    SUCCESS! -- 2 Passed | 0 Failed | 0 Pending | 275 Skipped PASS
    SUCCESS! -- 2 Passed | 0 Failed | 0 Pending | 275 Skipped PASS
    SUCCESS! -- 2 Passed | 0 Failed | 0 Pending | 275 Skipped PASS
    SUCCESS! -- 2 Passed | 0 Failed | 0 Pending | 275 Skipped PASS
    SUCCESS! -- 2 Passed | 0 Failed | 0 Pending | 275 Skipped PASS
    SUCCESS! -- 2 Passed | 0 Failed | 0 Pending | 275 Skipped PASS
    SUCCESS! -- 2 Passed | 0 Failed | 0 Pending | 275 Skipped PASS