Didn't quite see this coming. It helps both Trump and Haley. Those who oppose Haley can now throw their support to Trump, and those who would like to see someone other than Trump as the GOP candidate (such as myself) can channel their support to a single candidate, thus not splitting the protest vote.
"...respect must everywhere be shown for the feelings of all those who are attached to the Latin liturgical tradition, by a wide and generous application of the directives already issued some time ago by the Apostolic See for the use of the Roman Missal according to the typical edition of 1962." --- Pope St John Paul II, Ecclesia Dei, 1988