[connections] main, onboarding: Ensure type of onboarding dialog in main

[Felipe Borges <felipeborges src gnome org>]

commit 94ac786f018cf76eb8ed567895df1e159f9e5b5f
Author: Felipe Borges <felipeborges gnome org>
Date:   Wed Oct 13 09:50:08 2021 +0200

    main, onboarding: Ensure type of onboarding dialog in main
    
    Instead of holding a reference in the dialog source code.

 src/main.vala              | 2 ++
 src/onboarding-dialog.vala | 2 --
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/main.vala b/src/main.vala
index c9ef251..227ce02 100644
--- a/src/main.vala
+++ b/src/main.vala
@@ -26,6 +26,8 @@ int main (string[] args) {
     Intl.bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
     Intl.textdomain (GETTEXT_PACKAGE);
 
+    typeof (Connections.OnboardingDialogPage).ensure ();
+
     var application = new Connections.Application ();
 
     var exit_status = application.run (args);
diff --git a/src/onboarding-dialog.vala b/src/onboarding-dialog.vala
index e3b2f29..bd6780c 100644
--- a/src/onboarding-dialog.vala
+++ b/src/onboarding-dialog.vala
@@ -28,8 +28,6 @@ namespace Connections {
         [GtkChild]
         private unowned Carousel paginator;
         [GtkChild]
-        private unowned OnboardingDialogPage homepage;
-        [GtkChild]
         private unowned Button go_back_button;
         [GtkChild]
         private unowned Button go_next_button;