message: core: remove confusing warning
  We don't need to warn for this case because it's ok to just get the
  dummy system.
diff: @@ -219,7 +219,6 @@ System &DronecodeSDKImpl::get_system()
  // Just return first system instead of failing.
  return *_systems.begin()->second;
  } else {
  - LogWarn() << "No system found.";
  uint8_t system_id = 0, comp_id = 0;
  make_system_with_component(system_id, comp_id);
  return *_systems[system_id];
  