Fixed: FS#2967 - a few files left after uninstalling

Till Brehm

2014-02-16 fa4f34f74659c2557600daa05d63a60b0119a4ab

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ALTER TABLE  `sys_session` CHANGE  `session_id`  `session_id` VARCHAR( 64 ) CHARACTER SET latin1 COLLATE latin1_swedish_ci NOT NULL;