Turn off debug output in install.sh
Turn off debug output in install.sh

It was turned on for debugging and had been forgot to turn off before
commiting.

Change-Id: I5ecc21e6505d2d138dea3d7326efaeb8748f3219

openstack/ec2-api,openstack/ec2-api,stackforge/ec2-api,hayderimran7/ec2-api,hayderimran7/ec2-api,stackforge/ec2-api