[totem/mallard-documentation] No more sidebar since 2014

[Andre Klapper <aklapper src gnome org>]

commit 8601642eaf32b96989c141e2853087555c4bd66f
Author: Andre Klapper <a9016009 gmx de>
Date:   Thu Jan 10 17:45:05 2019 +0100

    No more sidebar since 2014

 help/C/sidebar.page | 137 ----------------------------------------------------
 help/Makefile.am    |   1 -
 2 files changed, 138 deletions(-)
---
diff --git a/help/Makefile.am b/help/Makefile.am
index 796e1b2f..d2b901f0 100644
--- a/help/Makefile.am
+++ b/help/Makefile.am
@@ -23,7 +23,6 @@ DOC_PAGES = \
   properties.page \
   screenshot-gallery.page \
   screenshot.page \
-  sidebar.page \
   sound-language.page \
   sound-volume.page \
   subtitles.page \