[
    {
      "id":  "0" ,
      "name":  "Employee 1" ,
      "schedules": [
                     {"Weekdays": "yes"},
                     {"Weekends": "no"}
                   ]
     } ,

    {
      "id":  "0" ,
      "name":  "Employee 2" ,
      "schedules": [
                     {"Weekdays": "no"},
                     {"Weekends": "yes"}
                   ]
    }

]

r.db('shank').table('teachers').replace(r.row.without({'schedules': 'Weekends'})).run(connection, function(err, result) {
    if (err) throw err;
    ;
    //confirmation stuff
        });
});

"schedules": [
                    {"Weekdays": "yes"},
                    {}
             ]

r.row.without({'schedules': {Weekends}})