'Remove tool from `ToolManager`
Parameters
name : string
Name of the Tool'

def remove_tool(self, name):

    tool = self.get_tool(name)
    tool.destroy()
    if getattr(tool, u'toggled', False):
        self.trigger_tool(tool, u'toolmanager')
    self._remove_keys(name)
    s = u'tool_removed_event'
    event = ToolEvent(s, self, tool)
    self._callbacks.process(s, event)
    del self._tools[name]
