[gtranslator] help: Do not include unused help images bloating the tarball size

[Andre Klapper <aklapper src gnome org>]

commit acb2449e17c7f22f7cd55e1772f0c5508aad9a4b
Author: Andre Klapper <a9016009 gmx de>
Date:   Sun Oct 8 23:31:44 2017 +0200

    help: Do not include unused help images bloating the tarball size

 help/Makefile.am |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)
---
diff --git a/help/Makefile.am b/help/Makefile.am
index 0ceba35..594530a 100644
--- a/help/Makefile.am
+++ b/help/Makefile.am
@@ -41,11 +41,8 @@ HELP_MEDIA = \
        figures/Gtranslator_027.png             \
        figures/gtranslator22.png               \
        figures/gtranslator32.png               \
-       figures/gtranslator_interface.png       \
        figures/gtranslator-plugins.png         \
-       figures/gtranslator.png                 \
        figures/gtranslator_tm_strings.png      \
-       figures/gtr-prefs-tm.png                \
        figures/message-detail.png              \
        figures/mover1.png                      \
        figures/mover2.png                      \