[gnome-user-docs] gnome-help: Remove lock screen screenshot

[Andre Klapper <aklapper src gnome org>]

commit 13ddb66774b4f61e4b6af61a46acd0cc13dddea6
Author: Andre Klapper <a9016009 gmx de>
Date:   Wed Feb 19 12:16:43 2020 +0100

    gnome-help: Remove lock screen screenshot
    
    The text is already self-explaining, its design has changed for 3.36,
    and it is not worth the localization costs.

 gnome-help/C/figures/shell-lock.png     | Bin 453711 -> 0 bytes
 gnome-help/C/shell-introduction.page    |   4 ----
 gnome-help/Makefile.am                  |   1 -
 gnome-help/de/figures/shell-lock.png    | Bin 204289 -> 0 bytes
 gnome-help/hr/figures/shell-lock.png    | Bin 747717 -> 0 bytes
 gnome-help/hu/figures/shell-lock.png    | Bin 891140 -> 0 bytes
 gnome-help/lv/figures/shell-lock.png    | Bin 293462 -> 0 bytes
 gnome-help/pl/figures/shell-lock.png    | Bin 484870 -> 0 bytes
 gnome-help/pt_BR/figures/shell-lock.png | Bin 356766 -> 0 bytes
 9 files changed, 5 deletions(-)
---
diff --git a/gnome-help/C/shell-introduction.page b/gnome-help/C/shell-introduction.page
index 6ec98782..9ef2dc70 100644
--- a/gnome-help/C/shell-introduction.page
+++ b/gnome-help/C/shell-introduction.page
@@ -259,10 +259,6 @@ messages will be presented, such as when your battery is critically low.</p>
 <section id="lockscreen">
   <title>Lock Screen</title>
 
-  <media type="image" src="figures/shell-lock.png" width="250" style="floatend floatright" 
if:test="!target:mobile">
-    <p>Lock Screen</p>
-  </media>
-
   <p>When you lock your screen, or it locks automatically, the lock screen is
   displayed. In addition to protecting your desktop while you’re away from your
   computer, the lock screen displays the date and time. It also shows
diff --git a/gnome-help/Makefile.am b/gnome-help/Makefile.am
index 6171edda..b85a88ca 100644
--- a/gnome-help/Makefile.am
+++ b/gnome-help/Makefile.am
@@ -109,7 +109,6 @@ HELP_MEDIA = \
        figures/shell-dash.png \
        figures/shell-exit-classic.png \
        figures/shell-exit.png \
-       figures/shell-lock.png \
        figures/shell-top-bar-classic.png \
        figures/shell-top-bar.png \
        figures/shell-window-list-classic.png \