Remove the useless host in site.yml
Remove the useless host in site.yml

We use hosts detective in wrong. No need add the other hosts we do not
need in the role.

TrivialFix

Change-Id: I2d228704cd76fc59f590497e33e1b89f397c0e3c
Signed-off-by: Jeffrey Zhang <b85963bd7b7bde6f22347263e92cb006603c0858@gmail.com>

stackforge/kolla,dardelean/kolla-ansible,stackforge/kolla,rahulunair/kolla,GalenMa/kolla,dardelean/kolla-ansible,GalenMa/kolla,openstack/kolla,intel-onp/kolla,mrangana/kolla,coolsvap/kolla,intel-onp/kolla,mandre/kolla,openstack/kolla,coolsvap/kolla,dardelean/kolla-ansible,nihilifer/kolla,coolsvap/kolla,stackforge/kolla,rahulunair/kolla,mandre/kolla,mandre/kolla,mrangana/kolla,nihilifer/kolla