[evince] comics: Remove unused variable

[Carlos Garcia Campos <carlosgc src gnome org>]

commit 641c97829076d50fe9878cfed6ad3f00c53fd2f5
Author: astian <astian eclipso at>
Date:   Tue Aug 1 13:40:34 2017 +0000

    comics: Remove unused variable
    
    Avoids a warning by the compiler.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=785760

 backend/comics/comics-document.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/backend/comics/comics-document.c b/backend/comics/comics-document.c
index cc86453..0fec236 100644
--- a/backend/comics/comics-document.c
+++ b/backend/comics/comics-document.c
@@ -226,7 +226,6 @@ comics_document_load (EvDocument *document,
 {
        ComicsDocument *comics_document = COMICS_DOCUMENT (document);
        gchar *mime_type;
-       GError *err = NULL;
        GFile *file;
 
        file = g_file_new_for_uri (uri);