[evince] help: Remove unused image

[Andre Klapper <aklapper src gnome org>]

commit 8f2a956a0f940930e220c68e62b444cd57e27e60
Author: Andre Klapper <a9016009 gmx de>
Date:   Wed Aug 16 22:45:57 2017 +0200

    help: Remove unused image

 help/C/figures/print-2sided.png |  Bin 56930 -> 0 bytes
 help/Makefile.am                |    1 -
 2 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/help/Makefile.am b/help/Makefile.am
index 9c2d7c4..3eef2fa 100644
--- a/help/Makefile.am
+++ b/help/Makefile.am
@@ -10,7 +10,6 @@ HELP_MEDIA = \
        figures/evincelogo.png                  \
        figures/evince-trail.png                \
        figures/list-add-tabs.png               \
-       figures/print-2sided.png                \
        figures/print-select.png                \
        figures/reverse-collate.png             \
        figures/zoom.png