public function dropPrimaryKey($tableName, $schemaName, ...$args)
    {
        return $this->uses()->dropPrimaryKey($tableName, $schemaName, ...$args);
    }
public function dropPrimaryKey($tableName, $schemaName, ...$args)
    {
        return $this->uses()->dropPrimaryKey($tableName, $schemaName, ...$args);
    }
public function dropPrimaryKey ( $ tableName , $ schemaName , ... $ args ) { return $ this -> uses ( ) -> dropPrimaryKey ( $ tableName , $ schemaName , ... $ args ) ; }
Drops primary key from a table

@param string $tableName
@param string $schemaName
@param array $args
@return bool
Drops primary key from a table