Revert "Use cflinuxfs3 for test rootfs for inigo tests"
Revert "Use cflinuxfs3 for test rootfs for inigo tests"

Ensure nc is installed for inigo tests.

This reverts commit 67c319b9f3e122a5f2ead14141dd71a2667d33a6.

Co-authored-by: Amin Jamali <828117156edecfc83d6e458626bc6ccd219cba0e@pivotal.io>

cloudfoundry-incubator/diego-dockerfiles,cloudfoundry-incubator/diego-dockerfiles