<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def check_all_servers():
 """Checks all servers, removing any that Modis isn't part of any more"""

    data = datatools.get_data()
    for server_id in data["discord"]["servers"]:
        is_in_client = False
        for client_server in client.servers:
            if server_id == client_server.id:
                is_in_client = True
                break

        if not is_in_client:
            remove_server_data(server_id)