conpaas: remove unused imports and variables (autoscaling prediction models)

git-svn-id: svn://svn.forge.objectweb.org/svnroot/contrail/trunk/conpaas@5214 ef35cc4a-2640-4bbf-98bc-65920db7d8ae
conpaas: remove unused variables (web hosting service manager)

git-svn-id: svn://svn.forge.objectweb.org/svnroot/contrail/trunk/conpaas@5215 ef35cc4a-2640-4bbf-98bc-65920db7d8ae
conpaas: remove unused imports and variables (autoscaling cost-aware strategy)

git-svn-id: svn://svn.forge.objectweb.org/svnroot/contrail/trunk/conpaas@5216 ef35cc4a-2640-4bbf-98bc-65920db7d8ae
conpaas: remove unused imports and variables (autoscaling scaler)

git-svn-id: svn://svn.forge.objectweb.org/svnroot/contrail/trunk/conpaas@5217 ef35cc4a-2640-4bbf-98bc-65920db7d8ae
conpaas: remove unused imports and variables (autoscaling monitor)

git-svn-id: svn://svn.forge.objectweb.org/svnroot/contrail/trunk/conpaas@5218 ef35cc4a-2640-4bbf-98bc-65920db7d8ae