configmanager: backout previous change, use module:hook_global() instead.
mod_{disco/extdisco}: hook config-reloaded event using module:hook_global().
mod_{public_service/saslauth}: hook config-reloaded event using module:hook_global().
mod_{tls/tsub_bots_block}: hook config-reloaded event using module:hook_global().
mod_{tls/saslauth}: remove some logging...