Remove InvalidParameterValue exception

The InvalidParameterValue exception does not define a meaningful
msg_fmt.  It is currently _("%(err)s"), which is the equivalent of
nothing and does not help with translation.

Replace InvalidParameterValue with Invalid exceptions.

Change-Id: If8b064e446cbc97e380127f360f262be9e8877a1
Closes-Bug: #1538398

watcher/applier/actions/migration.py

@@ -56,7 +56,10 @@ class Migrate(base.BaseAction):
                 return wrapper.live_migrate_instance(
                     instance_id=self.instance_uuid, dest_hostname=destination)
             else:
-                raise exception.InvalidParameterValue(err=self.migration_type)
+                raise exception.Invalid(
+                    message=(_('Migration of type %(migration_type)s is not '
+                               'supported.') %
+                             {'migration_type': self.migration_type}))
         else:
             raise exception.InstanceNotFound(name=self.instance_uuid)