Remove any ordering from a nested select query (in the where-clause).
Remove any ordering from a nested select query (in the where-clause).

This fixes r9701 for Oracle (the test introduced there did its job and failed
previously).

git-svn-id: 4f9f921b081c523744c7bf24d959a0db39629563@9714 bcc190cf-cafb-0310-a4f2-bffc1f526a37

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