auth-react: completely remove path option

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

plugins/auth-react/src/components/CookieAuthRefreshProvider/CookieAuthRefreshProvider.tsx

@@ -27,8 +27,6 @@ import { useCookieAuthRefresh } from '../../hooks';
 export type CookieAuthRefreshProviderProps = {
   // The plugin ID used for discovering the API origin
   pluginId: string;
-  // The path used for calling the refresh cookie endpoint, default to '/.backstage/auth/v1/cookie'
-  path?: string;
   // The children to render when the refresh is successful
   children: ReactNode;
 };