removing trailing whitespace causing errors in github tests

Author: B00885424

plans/migrate.pp

@@ -12,13 +12,13 @@
   # pre-migration checks
   peadm::assert_supported_bolt_version()
   peadm::assert_supported_pe_version($pe_version, $permit_unsafe_versions)
-  
+
   $all_hosts = peadm::flatten_compact([
       $old_primary_host,
       $new_primary_host,
   ])
   run_command('hostname', $all_hosts)  # verify can connect to targets
-  
+
   # verify the cluster we are migrating from is operational and is a supported architecture
   $cluster = run_task('peadm::get_peadm_config', $targets).first.value
   $error = getvar('cluster.error')