[gtk/matthiasc/for-master] Remove NoDisplay from demo desktop files

[Matthias Clasen <matthiasc src gnome org>]

commit ade4bcb12521fbbaa95833ff2e4cde97c14d1900
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Dec 9 10:05:54 2020 -0500

    Remove NoDisplay from demo desktop files
    
    When these are installed (in particular, as flatpaks),
    we should not hide them.
    
    Fixes: #2932

 demos/gtk-demo/org.gtk.Demo4.desktop                | 1 -
 demos/icon-browser/org.gtk.IconBrowser4.desktop     | 1 -
 demos/print-editor/org.gtk.PrintEditor4.desktop     | 1 -
 demos/widget-factory/org.gtk.WidgetFactory4.desktop | 1 -
 4 files changed, 4 deletions(-)
---
diff --git a/demos/gtk-demo/org.gtk.Demo4.desktop b/demos/gtk-demo/org.gtk.Demo4.desktop
index 0322b6a570..7bc46e187c 100644
--- a/demos/gtk-demo/org.gtk.Demo4.desktop
+++ b/demos/gtk-demo/org.gtk.Demo4.desktop
@@ -7,4 +7,3 @@ Terminal=false
 Type=Application
 StartupNotify=true
 Categories=Development;GTK;
-NoDisplay=true
diff --git a/demos/icon-browser/org.gtk.IconBrowser4.desktop b/demos/icon-browser/org.gtk.IconBrowser4.desktop
index 2f4e7e954b..7e0d9aa1c4 100644
--- a/demos/icon-browser/org.gtk.IconBrowser4.desktop
+++ b/demos/icon-browser/org.gtk.IconBrowser4.desktop
@@ -7,4 +7,3 @@ Terminal=false
 Type=Application
 StartupNotify=true
 Categories=Development;GTK;
-NoDisplay=true
diff --git a/demos/print-editor/org.gtk.PrintEditor4.desktop b/demos/print-editor/org.gtk.PrintEditor4.desktop
index 87f5799e9b..375b31a77d 100644
--- a/demos/print-editor/org.gtk.PrintEditor4.desktop
+++ b/demos/print-editor/org.gtk.PrintEditor4.desktop
@@ -7,4 +7,3 @@ Terminal=false
 Type=Application
 StartupNotify=true
 Categories=Development;GTK;
-NoDisplay=true
diff --git a/demos/widget-factory/org.gtk.WidgetFactory4.desktop 
b/demos/widget-factory/org.gtk.WidgetFactory4.desktop
index c91544fabb..306af7ac52 100644
--- a/demos/widget-factory/org.gtk.WidgetFactory4.desktop
+++ b/demos/widget-factory/org.gtk.WidgetFactory4.desktop
@@ -7,4 +7,3 @@ Terminal=false
 Type=Application
 StartupNotify=true
 Categories=Development;GTK;
-NoDisplay=true