index.js
function(migrationName, callback) {
    var command = util.format('DELETE FROM %s where name = \'/%s\'', internals.migrationTable, migrationName);
    return this.runSql(command).nodeify(callback);
  }
function(migrationName, callback) {
    var command = util.format('DELETE FROM %s where name = \'/%s\'', internals.migrationTable, migrationName);
    return this.runSql(command).nodeify(callback);
  }
function ( migrationName , callback ) { var command = util . format ( 'DELETE FROM %s where name = \'/%s\'' , internals . migrationTable , migrationName ) ; return this . runSql ( command ) . nodeify ( callback ) ; }
Deletes a migration

@param migrationName  - The name of the migration to be deleted
@param callback
Deletes a migration