Removes stopwords contained in a list of words.

    :param text_string: A list of strings.
    :type text_string: list.

    :returns: The input ``text_list`` with stopwords removed.
    :rtype: list

def _removeStopwords(text_list):
    """
    Removes stopwords contained in a list of words.

    :param text_string: A list of strings.
    :type text_string: list.

    :returns: The input ``text_list`` with stopwords removed.
    :rtype: list
    """

    output_list = []

    for word in text_list:
        if word.lower() not in _stopwords:
            output_list.append(word)

    return output_list