index.js
function remove(id, callback) {
        repo.contents(id).fetch({
            ref: options.branch
        }, function(err, info) {
            if (err) return callback(err);
            repo.contents(id).remove({
                branch: options.branch,
                sha: info.sha,
                message: '-'
            }, function(err, res) {
               callback(err, res, id);
            });
        });
    }
function remove(id, callback) {
        repo.contents(id).fetch({
            ref: options.branch
        }, function(err, info) {
            if (err) return callback(err);
            repo.contents(id).remove({
                branch: options.branch,
                sha: info.sha,
                message: '-'
            }, function(err, res) {
               callback(err, res, id);
            });
        });
    }
function remove ( id , callback ) { repo . contents ( id ) . fetch ( { ref : options . branch } , function ( err , info ) { if ( err ) return callback ( err ) ; repo . contents ( id ) . remove ( { branch : options . branch , sha : info . sha , message : '-' } , function ( err , res ) { callback ( err , res , id ) ; } ) ; } ) ; }
Remove an item from the database given its id  and a callback.

@param {String} id
@param {Function} callback called with (err, result, id)
Remove an item from the database given its id and a callback .