Chameneos clean-up (trivial and made by suggestion):

Removed an extra variable declaration that I had not seen when I copied the
code over from hannah/chameneos-redux-cas.chpl.

As suggested by Vass, moved part of the implementation of Chameneos.start into
a separate method for clarity.



git-svn-id: http://svn.code.sf.net/p/chapel/code/trunk@21795 3a8e244f-b0f2-452b-bcba-4c88e055c3ca