Inline removeUnusedFormals(). 

Inlined removeUnusedFormals() at its (sole) call site and corrected some spelling and
spacing errors.

[tested with checkChplInstall]
[trivial, not reviewed]


git-svn-id: http://svn.code.sf.net/p/chapel/code/trunk@23566 3a8e244f-b0f2-452b-bcba-4c88e055c3ca