Revert "MANTA-1613 do not remove manifests since configs have now been amalgamated"
Revert "MANTA-1613 do not remove manifests since configs have now been amalgamated"

This reverts commit 86e6fa7ee9a5706570e11795b653bb48eb6b9d1f.

joyent/manatee,AmlingPalantir/manatee,AmlingPalantir/manatee,josephglanville/manatee,GrimDerp/manatee,GrimDerp/manatee,joyent/manatee,josephglanville/manatee