update deps for opensips
opensips: corrected rabbitmq destinations
opensips: only call forwarder routines if it is present.

This is esp. the case for the `emergency` profile.
opensips: only raise-able events might be registered.
opensips: simplify macro preprocessor
opensips: emergency profile never forwards INVITE messages.
opensips: only subscribe pike event if it might be emitted.
opensips: again, for `emergency` profile, the dialog module is not available.