Remove unoccupied role messaging
Remove unoccupied role messaging

This is more often confusing than helpful. Becuase of the way we model roles
it's possible for a role to have been replaced/superceded by a new role
with a slightly different name, which technically means the old role is no
longer occupied. This is confusing for high profile roles.

alphagov/whitehall,YOTOV-LIMITED/whitehall,askl56/whitehall,robinwhittleton/whitehall,ggoral/whitehall,hotvulcan/whitehall,askl56/whitehall,YOTOV-LIMITED/whitehall,alphagov/whitehall,alphagov/whitehall,ggoral/whitehall,ggoral/whitehall,robinwhittleton/whitehall,hotvulcan/whitehall,askl56/whitehall,robinwhittleton/whitehall,YOTOV-LIMITED/whitehall,robinwhittleton/whitehall,askl56/whitehall,YOTOV-LIMITED/whitehall,alphagov/whitehall,hotvulcan/whitehall,hotvulcan/whitehall,ggoral/whitehall