Some more sanitization of the ps backend. Remove a lot of unused code and

Some more sanitization of the ps backend. Remove a lot of unused code and

2005-03-08  Marco Pesenti Gritti  <marco@gnome.org>

        * ps/Makefile.am:
        * ps/gsdefaults.c: (gtk_gs_defaults_get_interpreter_cmd),
        (gtk_gs_defaults_get_alpha_parameters),
        (gtk_gs_defaults_get_ungzip_cmd),
        (gtk_gs_defaults_get_unbzip2_cmd):
        * ps/gsdefaults.h:
        * ps/ps-document.c: (ps_document_init), (ps_document_class_init),
        (ps_document_get_orientation), (document_load),
        (ps_document_goto_page), (ps_document_set_page_size):
        * ps/ps-document.h:

        Some more sanitization of the ps backend. Remove a lot
        of unused code and do not base our defaults on ggv
        preferences (ugh!)