[libhandy] preferences-window: Use the default HdyClamp prop values

[Alexander Mikhaylenko <alexm src gnome org>]

commit a115680b62c779676fbfcda5dc7d85379fafbd94
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Wed Jun 17 08:40:08 2020 +0200

    preferences-window: Use the default HdyClamp prop values
    
    There is no point in specifying them anymore.

 src/hdy-preferences-window.ui | 2 --
 1 file changed, 2 deletions(-)
---
diff --git a/src/hdy-preferences-window.ui b/src/hdy-preferences-window.ui
index 02014b3f..364cc251 100644
--- a/src/hdy-preferences-window.ui
+++ b/src/hdy-preferences-window.ui
@@ -129,12 +129,10 @@
                     <property name="visible">True</property>
                     <child>
                       <object class="HdyClamp">
-                        <property name="tightening_threshold">400</property>
                         <property name="margin_bottom">18</property>
                         <property name="margin_end">12</property>
                         <property name="margin_start">12</property>
                         <property name="margin_top">18</property>
-                        <property name="maximum_size">600</property>
                         <property name="visible">True</property>
                         <child>
                           <object class="GtkListBox" id="search_results">