Replace voluptuous with JSONSchema in BaseAction

Now that we replaced voluptuous with JSONSchema in all actions,
this patch replaces voluptuous with JSONSchema in BaseAction
and removes validate_parameters method in each action.

Partially Implements: blueprint jsonschema-validation

Change-Id: I07c907ddfa4a568d7fff42776df02218330d56a0

watcher/applier/actions/migration.py

@@ -18,7 +18,6 @@
 #
 
 
-import jsonschema
 from oslo_log import log
 from watcher._i18n import _
 from watcher.applier.actions import base
@@ -91,13 +90,6 @@ class Migrate(base.BaseAction):
             'additionalProperties': False,
         }
 
-    def validate_parameters(self):
-        try:
-            jsonschema.validate(self.input_parameters, self.schema)
-            return True
-        except jsonschema.ValidationError as e:
-            raise e
-
     @property
     def instance_uuid(self):
         return self.resource_id