[gnome-builder/wip/gtk4-port] plugins/buildui: remove placeholder widget

[Christian Hergert <chergert src gnome org>]

commit 20fa1f5c05fbd84ab74599611a50a80dc5d5f331
Author: Christian Hergert <chergert redhat com>
Date:   Tue May 10 15:50:39 2022 -0700

    plugins/buildui: remove placeholder widget
    
    This doesn't work with the CSS how we expect, so just remove it for now.

 src/plugins/buildui/gbp-buildui-pane.ui | 9 ---------
 1 file changed, 9 deletions(-)
---
diff --git a/src/plugins/buildui/gbp-buildui-pane.ui b/src/plugins/buildui/gbp-buildui-pane.ui
index 1a08e0893..ae937ddea 100644
--- a/src/plugins/buildui/gbp-buildui-pane.ui
+++ b/src/plugins/buildui/gbp-buildui-pane.ui
@@ -96,15 +96,6 @@
                         <style>
                           <class name="boxed-list"/>
                         </style>
-                        <child type="placeholder">
-                          <object class="GtkLabel">
-                            <style>
-                              <class name="dim-label"/>
-                            </style>
-                            <property name="label" translatable="yes">Build pipeline is empty</property>
-                            <property name="xalign">0.5</property>
-                          </object>
-                        </child>
                       </object>
                     </child>
                   </object>