Document analysis tasks without version are never removed on oracle

Reproduction step:

• Start a wiki
• Go to the document analysis section of the administration (http://localhost:8080/xwiki/bin/admin/XWiki/XWikiPreferences?editor=globaladmin&section=documentanalysis)
• Wait for the tasks to be consumed
• Check the XWIKIDOCUMENTINDEXINGQUEUE table in the database

Expected result:

• The table is empty

Actual result

• The table contains (a lot) of links type tasks