Update classes to new Galera.groovy class

	- remove duplicate line

Related: PROD-27561 (PROD:27561)

Change-Id: I681ac9393146490e7988137fedee8394d77f9e73
diff --git a/cloud-update.groovy b/cloud-update.groovy
index 3fd7723..28c5005 100644
--- a/cloud-update.groovy
+++ b/cloud-update.groovy
@@ -658,9 +658,8 @@
 def restoreGalera(pepperEnv) {
     def salt = new com.mirantis.mk.Salt()
     def common = new com.mirantis.mk.Common()
-    def openstack = new com.mirantis.mk.Openstack()
-    salt.cmdRun(pepperEnv, 'I@xtrabackup:client', "rm -rf /var/lib/mysql/*")
-    openstack.restoreGaleraDb(pepperEnv)
+    def galera = new com.mirantis.mk.Galera()
+    galera.restoreGaleraDb(pepperEnv)
 }
 
 def backupZookeeper(pepperEnv) {