[SEC] banning: Remove where parameter since it doesn't seem to be used and would likely need reworking to function

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@50163 b456876b-0849-0410-b77d-98878d47e9d5
[FIX]Syntax to check the absence of a setting as y (and not necessarily = n)

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@50168 b456876b-0849-0410-b77d-98878d47e9d5
[MRG] Automatic merge, branches/12.x 50160 to 50168

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@50170 b456876b-0849-0410-b77d-98878d47e9d5