Bug 10626: Remove doubled up TT plugins - Merge KohaAuthorisedValues and AuthorisedValues

Bug 10626: Remove doubled up TT plugins - Merge KohaAuthorisedValues and AuthorisedValues

This patch removes the KohaAuthorisedValues TT plugin; uses of it are
replaced by the AuthorisedValues plugin, which does the same thing.

Test Plan:
1) Apply this patch
2) View the pages that this patch has modified, make sure the branch
   name is still visible

Signed-off-by: Chris Cormack <chrisc@catalyst.net.nz>
Signed-off-by: Katrin Fischer <Katrin.Fischer.83@web.de>
Comments on second patch.

Signed-off-by: Galen Charlton <gmc@esilibrary.com>