Remove TraceKit source fetching (now handled by Sentry server)
Remove TraceKit source fetching (now handled by Sentry server)

housinghq/main-raven-js,getsentry/raven-js,getsentry/raven-js,Mappy/raven-js,Mappy/raven-js,getsentry/raven-js,housinghq/main-raven-js,getsentry/raven-js,Mappy/raven-js,housinghq/main-raven-js