Remove unused libraries

lib/.pear2registry

...registry/packages/pear.php.net/Archive_Tar/1.3.3-info.xml

...istry/packages/pear.php.net/Console_Getopt/1.2.3-info.xml

lib/.xmlregistry/packages/pear.php.net/DB/1.7.13-info.xml

...gistry/packages/pear.php.net/DB_DataObject/1.9.3-info.xml

lib/.xmlregistry/packages/pear.php.net/Date/1.4.7-info.xml

lib/.xmlregistry/packages/pear.php.net/MDB2/2.5.0b2-info.xml

...packages/pear.php.net/MDB2_Driver_mysqli/1.5.0b2-info.xml

lib/.xmlregistry/packages/pear.php.net/PEAR/1.9.0-info.xml

...try/packages/pear.php.net/Structures_Graph/1.0.2-info.xml

...xmlregistry/packages/pear.php.net/XML_Util/1.2.1-info.xml

lib/bin/DB/scripts/DB_DataObject_createTables.bat

lib/bin/pear.bat

lib/bin/peardev.bat

lib/bin/pecl.bat

lib/data/MDB2/LICENSE

lib/data/MDB2_Driver_mysqli/package_mysqli.xml

lib/data/PEAR/package.dtd

lib/data/PEAR/template.spec

lib/data/Structures_Graph/LICENSE