[gnome-builder] colorpicker: remove unused .ui file

[Sébastien Lafargue <slafargue src gnome org>]

commit 688282d8d84171d471c37324da63b8a32c6ad7a6
Author: Sebastien Lafargue <slafargue gnome org>
Date:   Thu Sep 1 23:55:03 2016 +0200

    colorpicker: remove unused .ui file

 plugins/color-picker/gb-color-picker.gresource.xml |    1 -
 .../gtk/color-picker-prefs-palette-list.ui         |   36 --------------------
 2 files changed, 0 insertions(+), 37 deletions(-)
---
diff --git a/plugins/color-picker/gb-color-picker.gresource.xml 
b/plugins/color-picker/gb-color-picker.gresource.xml
index 0e5c1c5..7035154 100644
--- a/plugins/color-picker/gb-color-picker.gresource.xml
+++ b/plugins/color-picker/gb-color-picker.gresource.xml
@@ -7,7 +7,6 @@
 
     <file>gtk/color-picker.ui</file>
     <file>gtk/color-picker-prefs.ui</file>
-    <file>gtk/color-picker-prefs-palette-list.ui</file>
     <file>gtk/color-picker-preview.ui</file>
     <file>gtk/color-picker-palette-row.ui</file>
     <file>gtk/color-picker-palette-menu.ui</file>