Clean up MySqlPlatform::getListTableIndexesSQL() fields
Clean up MySqlPlatform::getListTableIndexesSQL() fields

mikeSimonson/dbal,doctrine/dbal,lcobucci/dbal,doctrine/dbal,drieschel/dbal,mikeSimonson/dbal,BenMorel/dbal,deeky666/dbal,BenMorel/dbal,deeky666/dbal,lcobucci/dbal,drieschel/dbal