Remove an obsolete comment
Remove an obsolete comment

There is a GitHub issue associated with this method, and we expect in the
reasonably near future to either explain or remove the method.
https://github.com/stratis-storage/project/issues/158

Signed-off-by: mulhern <7b51bcf507bcd7afb72bf8663752c0ddbeb517f6@redhat.com>

stratis-storage/stratisd,stratis-storage/stratisd,stratis-storage/stratisd