Replace remaining validate_legacy

These were somehow overlooked during the previous attempt.

Change-Id: I64e9446c5e2efac9daa96f5d043975b3c6cf3e82

manifests/backend/dellemc_unity.pp

@@ -113,8 +113,6 @@ define manila::backend::dellemc_unity (
   include manila::deps
   include manila::params
 
-  validate_legacy(String, 'validate_string', $emc_nas_password)
-
   $unity_share_driver = 'manila.share.drivers.dell_emc.driver.EMCShareDriver'
 
   manila_config {

manifests/backend/netapp.pp

@@ -135,8 +135,6 @@ define manila::backend::netapp (
   include manila::deps
   include manila::params
 
-  validate_legacy(String, 'validate_string', $netapp_password)
-
   $netapp_share_driver = 'manila.share.drivers.netapp.common.NetAppDriver'
 
   manila_config {

manifests/init.pp

@@ -222,7 +222,7 @@ class manila (
   $amqp_durable_queues         = $facts['os_service_default'],
   $rabbit_heartbeat_in_pthread = $facts['os_service_default'],
   $package_ensure              = 'present',
-  $use_ssl                     = false,
+  Boolean $use_ssl             = false,
   $ca_file                     = false,
   $cert_file                   = false,
   $key_file                    = false,
@@ -256,8 +256,6 @@ class manila (
   include manila::deps
   include manila::db
 
-  validate_legacy(Boolean, 'validate_bool', $use_ssl)
-
   if $use_ssl {
     if !$cert_file {
       fail('The cert_file parameter is required when use_ssl is set to true')