[ 'dropField', 'change_tag', 'ct_tag', 'patch-drop-ct_tag.sql' ],
[ 'dropTable', 'valid_tag' ],
[ 'dropTable', 'tag_summary' ],
[ 'dropField', 'change_tag', 'ct_tag', 'patch-drop-ct_tag.sql' ],
[ 'dropTable', 'valid_tag' ],
[ 'dropTable', 'tag_summary' ],