Remove sleep timer in monitor respawn
Remove sleep timer in monitor respawn

This fix removes the sleep hack that was introduced for the nova
libvirt error: device or resource busy. The original bug has been
fixed in nova project.

Change-Id: I04945e50b762e83744d48e5dce6a8396d2a6eb39
Closes-Bug: #1552981

zeinsteinz/tacker,priya-pp/Tacker,stackforge/tacker,stackforge/tacker,openstack/tacker,trozet/tacker,trozet/tacker,priya-pp/Tacker,zeinsteinz/tacker,openstack/tacker,openstack/tacker