Revert "Use FQDNs for connecting to the machine"

This reverts commit 38c875ad.

common.sh

@@ -68,7 +68,7 @@ function waitFor() {
 }
 
 function runOnServer() {
-  local NAME="$1.cern.ch"
+  local NAME="$1"
   shift
   # For Puppet, we connect using kerberos. This guarantees that at least the first couple of Puppet runs are complete
   if [[ "$PUPPET" == "true" ]]; then
@@ -84,7 +84,7 @@ function runOnServer() {
 }
 
 function cloudInitLogsRetrieval() {
-  local NAME="$1.cern.ch"
+  local NAME="$1"
   shift
 
   # Try getting cloud init logs one way or another if bootstrapping failed