Revert "Add locking to overlay-xfs-setup script"
Revert "Add locking to overlay-xfs-setup script"

This reverts commit a5bb3059a4a1df52ce8c047e26abec0b0a9360d4.

Signed-off-by: Tom Godkin <891065477085d2c72591451bb326b2b4358b6dfb@pivotal.io>

cloudfoundry-incubator/guardian-release,cloudfoundry-incubator/guardian-release,cloudfoundry-incubator/guardian-release