Remove pointless constructor over-riding

drivers/firebird/firebird_util.php

@@ -24,19 +24,6 @@
  */
 class Firebird_Util extends DB_Util {
 
-	/**
-	 * Save a reference to the current connection object
-	 *
-	 * @param object $conn
-	 * @return void
-	 */
-	public function __construct(&$conn)
-	{
-		parent::__construct($conn);
-	}
-	
-	// --------------------------------------------------------------------------
-	
 	/**
 	 * Convienience public function to generate sql for creating a db table
 	 *

drivers/mysql/mysql_util.php

@@ -27,19 +27,6 @@
  */
 class MySQL_Util extends DB_Util {
 
-	/**
-	 * Save a reference to the current connection object
-	 *
-	 * @param object $conn
-	 * @return void
-	 */
-	public function __construct(&$conn)
-	{
-		parent::__construct($conn);
-	}
-	
-	// --------------------------------------------------------------------------
-	
 	/**
  	 * Convienience public function for creating a new MySQL table
  	 *

drivers/pgsql/pgsql_util.php

@@ -23,17 +23,6 @@
  */
 class PgSQL_Util extends DB_Util {
 
-	/**
-	 * Save a reference to the current connection object
-	 *
-	 * @param object $conn
-	 * @return void
-	 */
-	public function __construct(&$conn)
-	{
-		parent::__construct($conn);
-	}
-	
 	/**
 	 * Database-specific method to create a new table
 	 *

drivers/sqlite/sqlite_util.php

@@ -23,19 +23,6 @@
  */
 class SQLite_Util extends DB_Util {
 
-	/**
-	 * Save a reference to the current connection object
-	 *
-	 * @param object $conn
-	 * @return void
-	 */
-	public function __construct(&$conn)
-	{
-		parent::__construct($conn);
-	}
-	
-	// --------------------------------------------------------------------------
-	
 	/**
 	 * Convenience public function to create a new table
 	 *