refactor events

InvenTree/plugin/base/integration/mixins.py

@@ -238,32 +238,6 @@ class ScheduleMixin:
             logger.warning("unregister_tasks failed, database not ready")
 
 
-class EventMixin:
-    """
-    Mixin that provides support for responding to triggered events.
-
-    Implementing classes must provide a "process_event" function:
-    """
-
-    def process_event(self, event, *args, **kwargs):
-        """
-        Function to handle events
-        Must be overridden by plugin
-        """
-        # Default implementation does not do anything
-        raise MixinNotImplementedError
-
-    class MixinMeta:
-        """
-        Meta options for this mixin
-        """
-        MIXIN_NAME = 'Events'
-
-    def __init__(self):
-        super().__init__()
-        self.add_mixin('events', True, __class__)
-
-
 class UrlsMixin:
     """
     Mixin that enables custom URLs for the plugin