[gtk/clipboard-demo-fixes] gtk-demo: Remove the colorsel demo

[Matthias Clasen <matthiasc src gnome org>]

commit 44e31855ca7b294ecf0de937e2e88e522c2ef982
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Apr 26 00:09:31 2020 -0400

    gtk-demo: Remove the colorsel demo
    
    We already have a color selector demo in "Pickers".

 demos/gtk-demo/colorsel.c         | 118 --------------------------------------
 demos/gtk-demo/demo.gresource.xml |   1 -
 demos/gtk-demo/meson.build        |   1 -
 3 files changed, 120 deletions(-)
---
diff --git a/demos/gtk-demo/demo.gresource.xml b/demos/gtk-demo/demo.gresource.xml
index be0a0ad6a8..850750e5ef 100644
--- a/demos/gtk-demo/demo.gresource.xml
+++ b/demos/gtk-demo/demo.gresource.xml
@@ -158,7 +158,6 @@
     <file>assistant.c</file>
     <file>builder.c</file>
     <file>clipboard.c</file>
-    <file>colorsel.c</file>
     <file>combobox.c</file>
     <file>constraints.c</file>
     <file>constraints2.c</file>
diff --git a/demos/gtk-demo/meson.build b/demos/gtk-demo/meson.build
index a2750049b7..18d2d776a2 100644
--- a/demos/gtk-demo/meson.build
+++ b/demos/gtk-demo/meson.build
@@ -5,7 +5,6 @@ demos = files([
   'assistant.c',
   'builder.c',
   'clipboard.c',
-  'colorsel.c',
   'combobox.c',
   'constraints.c',
   'constraints2.c',