TT#54511 Switch recovery in deployment.sh from puppet2.mgm to puppet.mgm

It looks like we can use CNAME puppet.mgm now instead of hostname which
can be changed anytime.

Change-Id: If9767f87a26d9d631aef7db44e2ee25782a7eff2

templates/scripts/includes/deployment.sh

@@ -44,7 +44,7 @@ CE_EDITION=false
 CARRIER_EDITION=false
 NGCP_INSTALLER=false
 PUPPET=''
-PUPPET_SERVER=puppet2.mgm.sipwise.com
+PUPPET_SERVER=puppet.mgm.sipwise.com
 PUPPET_GIT_REPO=''
 PUPPET_GIT_BRANCH=master
 PUPPET_LOCAL_GIT="${TARGET}/tmp/puppet.git"