remove(distinct_id, data, modifiers, callback) {
        const identifiers = {'$distinct_id': distinct_id};
        this._remove({identifiers, data, modifiers, callback})
    }
people.remove(distinct_id, data, modifiers, callback)
        ---
        remove a value from a list-valued user profile property.

        usage:

            mixpanel.people.remove('bob', {'browsers': 'firefox'});

            mixpanel.people.remove('bob', {'browsers': 'chrome', 'os': 'linux'});