Revert "Update init.pp"

This reverts commit be15b99ecb92166baf4bb4463d3c5431c7c77574.

PR #14 both broke the rspec tests and introduced this catalog
complication error:

    Error: Parameter ensure failed on User[jboss]: Invalid value "file".
    Valid values are present, absent, role.  at
    /home/jhoblitt/nsa/modules/jboss/manifests/user.pp:20
    Wrapped exception:
    Invalid value "file". Valid values are present, absent, role.