remove double code

InvenTree/plugin/builtin/integration/mixins.py

@@ -301,75 +301,3 @@ class AppMixin:
         this plugin is always an app with this plugin
         """
         return True
-
-
-class ActionMixin:
-    """
-    Mixin that enables custom actions
-    """
-    ACTION_NAME = ""
-
-    class MixinMeta:
-        """
-        meta options for this mixin
-        """
-        MIXIN_NAME = 'Action'
-
-    def __init__(self):
-        super().__init__()
-        self.add_mixin('action', 'has_action', __class__)
-
-    @property
-    def has_action(self):
-        """
-        Does this plugin have everything needed for an action?
-        """
-        return True
-
-    @property
-    def action_name(self):
-        """
-        Return the action name for this plugin.
-        If the ACTION_NAME parameter is empty,
-        look at the PLUGIN_NAME instead.
-        """
-        if self.ACTION_NAME:
-            return self.ACTION_NAME
-        return self.name
-
-    def init(self, user, data=None):
-        """
-        An action plugin takes a user reference, and an optional dataset (dict)
-        """
-        self.user = user
-        self.data = data
-
-    def perform_action(self):
-        """
-        Override this method to perform the action!
-        """
-
-    def get_result(self):
-        """
-        Result of the action?
-        """
-
-        # Re-implement this for custom actions
-        return False
-
-    def get_info(self):
-        """
-        Extra info? Can be a string / dict / etc
-        """
-        return None
-
-    def get_response(self):
-        """
-        Return a response. Default implementation is a simple response
-        which can be overridden.
-        """
-        return {
-            "action": self.action_name(),
-            "result": self.get_result(),
-            "info": self.get_info(),
-        }