Remove get_title from the interface, we can just use document info

Remove get_title from the interface, we can just use document info

2005-04-19  Marco Pesenti Gritti <mpg@redhat.com>

        * backend/ev-document.c: (ev_document_class_init),
        (ev_document_get_info), (ev_document_render_pixbuf):
        * backend/ev-document.h:
        * backend/ev-page-cache.c: (_ev_page_cache_new):
        * pdf/ev-poppler.cc:
        * pixbuf/pixbuf-document.c: (pixbuf_document_class_init),
        (pixbuf_document_get_info), (pixbuf_document_document_iface_init):
        * ps/ps-document.c: (ps_document_class_init), (document_load),
        (ps_document_get_info), (ps_document_document_iface_init):

        Remove get_title from the interface, we can just use document info