Remove on_shutdown from modules

Author: NeffIsBack

nxc/modules/example_module.py

@@ -48,9 +48,3 @@ def on_admin_login(self, context, connection):
         Required if on_login is not present
         This gets called on each authenticated connection with  Administrative privileges
         """
-
-    def on_shutdown(self, context, connection):
-        """Optional.
-        Do something on shutdown
-        """
-

nxc/modules/wcc.py

@@ -123,8 +123,6 @@ def on_admin_login(self, context, connection):
         self.results.setdefault(connection.host, {"checks": []})
         self.context = context
         HostChecker(context, connection).run()
-
-    def on_shutdown(self, context, connection):
         if self.output is not None:
             self.export_results()