Deprecate BE/FE delete clause methods
[TASK] Deprecate BE/FE delete clause methods
Prior to Doctrine DBAL, all queries used the deleteClause for BE/FE
in various places, but this is gone, and this functionality is now handled
via TYPO3's Restrictions functionality within the new database API.
The left-over methods are deprecated and will be removed in TYPO3 v10.
Tested-by: TYPO3com <email@example.com>
Reviewed-by: Christian Kuhn <firstname.lastname@example.org>
Tested-by: Christian Kuhn <email@example.com>
Reviewed-by: Susanne Moog <firstname.lastname@example.org>
Tested-by: Susanne Moog <email@example.com>