Refactoring in pipelines to better use salt.groovy lib code

Change-Id: I2643dcdff287384aa623900b7f4b131531d85f49
diff --git a/cloud-deploy-pipeline.groovy b/cloud-deploy-pipeline.groovy
index 41c08ab..13031c0 100644
--- a/cloud-deploy-pipeline.groovy
+++ b/cloud-deploy-pipeline.groovy
@@ -388,8 +388,8 @@
                         orchestrate.installOpenstackNetwork(venvPepper)
                     }
 
-                    salt.runSaltProcessStep(venvPepper, 'I@keystone:server', 'cmd.run', ['. /root/keystonerc; neutron net-list'])
-                    salt.runSaltProcessStep(venvPepper, 'I@keystone:server', 'cmd.run', ['. /root/keystonerc; nova net-list'])
+                    salt.cmdRun(venvPepper, 'I@keystone:server', '. /root/keystonerc; neutron net-list')
+                    salt.cmdRun(venvPepper, 'I@keystone:server', '. /root/keystonerc; nova net-list')
                 }
 
                 if (salt.testTarget(venvPepper, 'I@ironic:conductor')){