Remove useless second param from restoreGaleraDb method

Change-Id: I474716f37618320c3618718bc1aa1b47f27590f0
Related-prod: PROD:25856
diff --git a/src/com/mirantis/mk/Openstack.groovy b/src/com/mirantis/mk/Openstack.groovy
index c195c2e..82fd895 100644
--- a/src/com/mirantis/mk/Openstack.groovy
+++ b/src/com/mirantis/mk/Openstack.groovy
@@ -720,7 +720,7 @@
  * @param env Salt Connection object or pepperEnv
  * @return output of salt commands
  */
-def restoreGaleraDb(env, type) {
+def restoreGaleraDb(env) {
     def salt = new com.mirantis.mk.Salt()
     def common = new com.mirantis.mk.Common()
     try {