Add description about overrun warning in queue.c (#869)

Add description about overrun warning in queue.c (#869)

* Add description about overrun warning in queue.c

* Remove the unreachable configASSERT

* Code review suggestions

Signed-off-by: Gaurav Aggarwal <aggarg@amazon.com>
* Fix formatting

Signed-off-by: Gaurav Aggarwal <aggarg@amazon.com>
---------

Signed-off-by: Gaurav Aggarwal <aggarg@amazon.com>
Co-authored-by: Ubuntu <ubuntu@ip-172-31-34-245.ap-northeast-1.compute.internal>
Co-authored-by: Soren Ptak <ptaksoren@gmail.com>
Co-authored-by: Rahul Kar <118818625+kar-rahul-aws@users.noreply.github.com>
Co-authored-by: Gaurav Aggarwal <aggarg@amazon.com>