message: core: remove comment
  This has been addressed in the meantime.
diff: @@ -11,9 +11,6 @@ namespace dronecode_sdk {
  // The limitation is made because:
  // - We are not sure what exactly will happen if the commands are sent in parallel
  // and what kind of edge cases we might run into.
  -// - The timeout handler only supports the (void *)this cookie and therefore only
  -// really supports one timeout per object. We could use (void *)this of the work
  -// item but it also seems a bit dodgy.
  // - The queue used does not support going through and checking each and every
  // item yet.
  