[gtkmm] tests/builder: <packing> is removed in GTK master

[Daniel Boles <dboles src gnome org>]

commit 9a0f31d698862b638f0ee5944409019287ad8dbc
Author: Daniel Boles <dboles src gnome org>
Date:   Sun May 19 18:42:25 2019 +0100

    tests/builder: <packing> is removed in GTK master
    
    and wasn't achieving anything by explicitly being here anyway - except
    breaking the test at runtime!

 tests/builder/main.cc | 6 ------
 1 file changed, 6 deletions(-)
---
diff --git a/tests/builder/main.cc b/tests/builder/main.cc
index 562d304d..59db2321 100644
--- a/tests/builder/main.cc
+++ b/tests/builder/main.cc
@@ -44,9 +44,6 @@ const char gladefile[] =
             "<property name='can_focus'>True</property>"
             "<property name='receives_default'>True</property>"
           "</object>"
-          "<packing>"
-            "<property name='position'>0</property>"
-          "</packing>"
         "</child>"
         "<child>"
           "<object class='GtkButton' id='standard_button'>"
@@ -54,9 +51,6 @@ const char gladefile[] =
             "<property name='can_focus'>True</property>"
             "<property name='receives_default'>True</property>"
           "</object>"
-          "<packing>"
-            "<property name='position'>1</property>"
-          "</packing>"
         "</child>"
       "</object>"
     "</child>"