Update for support of ncsa/profile_motd tag v0.1.1

[billglick]

Change file /etc/motd.d to be an ensure resource to avoid duplicate declaration

This is to fix https://github.com/ncsa/puppet-profile_motd/issues/1

This is being tested on the following hosts:

• asd-test-centos7a
• asd-test-rhel8a