code: def disable_plugin(self):
          
          for path in self.runtime_paths():
              self._vim.command('set runtimepath-={}'.format(path))
docs: Disable ensime-vim, in the event of an error we can't usefully
          recover from.
  
          Todo:
              This is incomplete and unreliable, see:
              https://github.com/ensime/ensime-vim/issues/294
  
              If used from a secondary thread, this may need to use threadsafe
              Vim calls where available -- see :meth:`Editor.raw_message`.