I found this in the context of a patch that I was reviewing [1]. I
found that patch left a few loose ends and so I thought it would be
better to remove the parameter as a separate refactor so that it can
be carefully reviewed. The other patch [1] should be rebased to this
one.
[1] https://review.openstack.org/#/c/100963
Change-Id: I75115fa46ea3340ef0f13feb28ad2cdb0387fed7