Clarify routes and fix error
Clarify routes and fix error

Revert "Fix duplication in historic appointment routes"

This reverts commit f1854f9ef830cd7871d0b7a401c9d26b2fcf144a.

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