Remove the second form designation

Style note²Federal courts, Illinois courts21st and 22nd editions

A treaty name whose opening words stack two designations of form joined by “&” or “and”, when the citation keeps only the first of them.¹

1. 1R. 21.4.1(a)(i) Form of agreement.
2. 2A style note: the rule in note 1 allows both forms and prefers one.