[evince] README: Remove mention of optional RAR dependency

[Bastien Nocera <hadess src gnome org>]

commit f1222c336404315efc91647a03a14308e4b45f54
Author: Bastien Nocera <hadess hadess net>
Date:   Fri May 4 00:51:58 2018 +0200

    README: Remove mention of optional RAR dependency
    
    We have builtin RAR support.

 README |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/README b/README
index ea9f1cc..e2d6c7a 100644
--- a/README
+++ b/README
@@ -18,4 +18,3 @@ GhostScript for Postscript viewing [ http://pages.cs.wisc.edu/~ghost/ ]
 Evince Optional Backend Libraries
 ==================================================
 DjVuLibre for DjVu viewing [ http://djvulibre.djvuzone.org/ ]
-Rar for viewing CBR comics [ http://www.rarlab.com/ ]