remove tags from index when deleting articles from archive
remove tags from index when deleting articles from archive

svn path=/trunk/KDE/kdepim/akregator/; revision=422372

lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi