Remove 'parent' argument from wx StatusBarManager (#1192)

Remove the 'parent' argument from 'StatusBarManager.destroy' in the wx backend. The argument is unused, and doesn't match the interface definition.

Author: greschd

pyface/ui/wx/action/status_bar_manager.py

@@ -50,7 +50,7 @@ def create_status_bar(self, parent):
 
         return self.status_bar
 
-    def destroy(self, parent):
+    def destroy(self):
         """ Removes a status bar. """
 
         if self.status_bar is not None:

pyface/ui/wx/application_window.py

@@ -222,7 +222,7 @@ def _status_bar_manager_changed(self, old, new):
         if self.control is not None:
             if old is not None:
                 self.control.SetStatusBar(None)
-                old.destroy(self.control)
+                old.destroy()
             self._create_status_bar(self.control)
 
     @observe("tool_bar_manager, tool_bar_managers.items")