[evince] help: Remove unneeded screenshot also from Makefile

[Piotr Drąg <piotrdrag src gnome org>]

commit 71fa9d1a8eb06c455212a98f6164121822362503
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Thu Aug 3 21:15:12 2017 +0200

    help: Remove unneeded screenshot also from Makefile
    
    Follow-up to 34228d104aa77f5d55b420882c75ffe95b6f35fc

 help/Makefile.am |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/help/Makefile.am b/help/Makefile.am
index c1171f0..9c2d7c4 100644
--- a/help/Makefile.am
+++ b/help/Makefile.am
@@ -6,7 +6,6 @@ HELP_ID = evince
 
 HELP_MEDIA = \
        figures/add-text-annotation.png         \
-       figures/annotations-navigate.png        \
        figures/annotations-nav-to-page.png     \
        figures/evincelogo.png                  \
        figures/evince-trail.png                \