[gnome-games/wip/exalm/preferences: 4/5] Remove PreferencesSidebar

[Alexander Mikhaylenko <alexm src gnome org>]

commit 39ab933bdf6d1cc808aa6ee04367c0ecc1e5daa5
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Tue Jun 2 16:59:02 2020 +0500

    Remove PreferencesSidebar
    
    It's not used anymore, remove it along with PreferencesSidebarItem.

 data/org.gnome.Games.gresource.xml   |   2 -
 data/ui/preferences-sidebar-item.ui  |  15 -----
 data/ui/preferences-sidebar.ui       |  34 ------------
 src/meson.build                      |   2 -
 src/ui/preferences-sidebar-item.vala |  17 ------
 src/ui/preferences-sidebar.vala      | 104 -----------------------------------
 6 files changed, 174 deletions(-)
---
diff --git a/data/org.gnome.Games.gresource.xml b/data/org.gnome.Games.gresource.xml
index 8aadaf51..7799ce4f 100644
--- a/data/org.gnome.Games.gresource.xml
+++ b/data/org.gnome.Games.gresource.xml
@@ -35,8 +35,6 @@
     <file preprocess="xml-stripblanks">ui/preferences-page-platforms.ui</file>
     <file preprocess="xml-stripblanks">ui/preferences-page-platforms-retro-row.ui</file>
     <file preprocess="xml-stripblanks">ui/preferences-page-video.ui</file>
-    <file preprocess="xml-stripblanks">ui/preferences-sidebar.ui</file>
-    <file preprocess="xml-stripblanks">ui/preferences-sidebar-item.ui</file>
     <file preprocess="xml-stripblanks">ui/preferences-subpage-gamepad.ui</file>
     <file preprocess="xml-stripblanks">ui/preferences-subpage-keyboard.ui</file>
     <file preprocess="xml-stripblanks">ui/preferences-window.ui</file>
diff --git a/src/meson.build b/src/meson.build
index 00d6ce1b..d90708c6 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -131,8 +131,6 @@ vala_sources = [
   'ui/preferences-page-platforms.vala',
   'ui/preferences-page-platforms-retro-row.vala',
   'ui/preferences-page-video.vala',
-  'ui/preferences-sidebar.vala',
-  'ui/preferences-sidebar-item.vala',
   'ui/preferences-subpage.vala',
   'ui/preferences-subpage-gamepad.vala',
   'ui/preferences-subpage-keyboard.vala',