[FIX]Usability fixes: shorter is better for new users (and maybe more things could be removed probably). The initial link to user preferences screen could be there only if the feature was enabled, which is not by default, so removing that link from there in the first screen.

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@47841 b456876b-0849-0410-b77d-98878d47e9d5