<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def remove_repositories(repositories, default_repositories):
 """ Remove no default repositories """

    repos = []
    for repo in repositories:
        if repo in default_repositories:
            repos.append(repo)
    return repos