[gnome-games] display-box: Don't make flash box visible by default

[Alexander Mikhaylenko <alexm src gnome org>]

commit f81ee7edfcc5f2044b8640e2a001b0f7ff7c712f
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Fri Sep 20 22:02:48 2019 +0500

    display-box: Don't make flash box visible by default
    
    It will become visible when the animation is run.

 data/ui/display-box.ui | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)
---
diff --git a/data/ui/display-box.ui b/data/ui/display-box.ui
index 0b65224c..0e2044ff 100644
--- a/data/ui/display-box.ui
+++ b/data/ui/display-box.ui
@@ -36,9 +36,7 @@
                   </object>
                 </child>
                 <child type="overlay">
-                  <object class="GamesFlashBox" id="flash_box">
-                    <property name="visible">True</property>
-                  </object>
+                  <object class="GamesFlashBox" id="flash_box"/>
                   <packing>
                     <property name="pass-through">True</property>
                   </packing>