fix(apm): Disable self-tracing by default again (#15854)
fix(apm): Disable self-tracing by default again (#15854)

Self-tracing was disable in #15555 but the logic accidentally got removed in #15775. This patch brings it back so we don't self-trace in on-premise.
beeftornado/sentry,beeftornado/sentry,beeftornado/sentry