docs: def release_plugin(self, name):
          """
          Deactivate and remove the plugin with name ``name``.
          """
          plugin = self._active_plugins[name]
          if id(plugin) in self._provided_by_preset:
              self._provided_by_preset.remove(id(plugin))
  
          del self._active_plugins[name]
          delattr(self, name)