Moves DisabledClientMapperForMapping wrapper to new Local attribute.
Removes Factory#NewUnstructuredBuilder in favor of new Unstructured
builder attribute.
because the user may be trying to pipe the output of this command as
the input to another. This makes `set subject` and `set resources`
consistent with all similar commands in this directory.
Signed-off-by: Bryan Boreham <bryan@weave.works>