[FIX]Html tags were displayed in plain-text message received. No need to hide the link: current template works fine also for plain text messages (which seem to be the format used by default, anyways).

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@49084 b456876b-0849-0410-b77d-98878d47e9d5