Remove superfluous assert.
Remove superfluous assert.

Really?  I wrote this?  It must have been some other kind of
assert that I decided to disable before committing.  Or maybe I
just need more sleep.

git-svn-id: 353be9ac11a1e711854a13efcc2fc17d9d6b83e7@1663 c36c8488-0289-0348-9b64-b301f74bd9a7

BlueBrain/Tuvok,BlueBrain/Tuvok,BlueBrain/Tuvok