Fix regression from 65971ae254b3a
Fix regression from 65971ae254b3a

The sleep was intended to limit the speed of the while loop that waited
for the STOMP message to be accepted, but this got moved outside the
while loop when AMS support was added, which does not seem sensible.

tofu-rocketry/ssm,apel/ssm,tofu-rocketry/ssm,apel/ssm