[SpecGL Draft] B3 list of normative and non-normative references

Looking at this, I propose that we delete it.  It states the obvious.  It 
presents something that everyone already does.

FYI -Currently it says:
Make a list of normative and non-normative references
GP: start now and keep adding to it as you go.
(this is really the technique to the statement, Make a list....)

--lynne