Remove chap03 from all-cf list

[ok'd at weekly meeting]

Removing chap03 from the all-cf list to allow qthreads performance testing to
run on it late (2PM PT) into the day.


git-svn-id: http://svn.code.sf.net/p/chapel/code/trunk@23613 3a8e244f-b0f2-452b-bcba-4c88e055c3ca