Remove unused par declarations
Remove unused par declarations

jjdekker/libminizinc,jjdekker/libminizinc,jjdekker/libminizinc,jjdekker/libminizinc,nathanielbaxter/libminizinc,nathanielbaxter/libminizinc,nathanielbaxter/libminizinc,tias/libminizinc,tias/libminizinc,nathanielbaxter/libminizinc