Manual:Validate table/pl

The validate table is not used in the MediaWiki 1.8 release, and can be safely deleted.

It was, and still is used as part of, however, no core software needs it.

Schema summary
+--+--+--+-+-+---+ +--+--+--+-+-+---+ +--+--+--+-+-+---+
 * Field       | Type             | Null | Key | Default | Extra |
 * val_user    | int(11)          | NO   | MUL | 0       |       |
 * val_page    | int(11) unsigned | NO   |     | 0       |       |
 * val_revision | int(11) unsigned | NO  |     | 0       |       |
 * val_type    | int(11) unsigned | NO   |     | 0       |       |
 * val_value   | int(11)          | YES  |     | 0       |       |
 * val_comment | varchar(255)     | NO   |     |         |       |
 * val_ip      | varchar(20)      | NO   |     |         |       |