[AndyB] Remove moderated post notice 1.2

Remove moderated post notice for post author.
This add-on allows moderators to "Unapprove post" without alerting the post author, the post author will assume their post is still visible to everyone.

(Example of Unapproved post being viewed by a moderator)

Features:
All phrases start with removemoderatedpostnotice_ for your convenience.

Questions and Answers:
Q: Is the unapproved post visible to the post author if not logged in?
A: No.