Revert "Add GTestDBus object"

This reverts commit 1b5f70b5b0.

docs/reference/gio/gio-docs.xml

@@ -230,10 +230,6 @@
         <xi:include href="xml/gdbus-codegen.xml"/>
         <xi:include href="gresource.xml"/>
     </chapter>
-    <chapter id="testing">
-        <title>GIO Testing</title>
-        <xi:include href="xml/gtestdbus.xml"/>
-    </chapter>
   </part>
 
   <part id="migrating">

docs/reference/gio/gio-sections.txt

@@ -3870,21 +3870,3 @@ g_resource_flags_get_type
 g_resource_lookup_flags_get_type
 g_resource_error_quark
 </SECTION>
-
-<SECTION>
-<FILE>gtestdbus</FILE>
-<TITLE>GTestDBus</TITLE>
-GTestDBus
-GTestDBusFlags
-g_test_dbus_new
-g_test_dbus_get_flags
-g_test_dbus_get_bus_address
-g_test_dbus_add_service_dir
-g_test_dbus_up
-g_test_dbus_stop
-g_test_dbus_down
-g_test_dbus_unset
-<SUBSECTION Private>
-g_test_dbus_get_type
-g_test_dbus_flags_get_type
-</SECTION>

docs/reference/gio/gio.types

@@ -133,5 +133,3 @@ g_menu_attribute_iter_get_type
 g_menu_link_iter_get_type
 g_menu_get_type
 g_menu_item_get_type
-g_test_dbus_get_type
-g_test_dbus_flags_get_type