ui: Remove unused shortcuts and menu

Author: iinuwa

credentialsd-ui/data/resources/resources.gresource.xml

@@ -1,8 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <gresources>
   <gresource prefix="/xyz/iinuwa/credentialsd/CredentialsUi/">
-    <!-- see https://gtk-rs.org/gtk4-rs/git/docs/gtk4/struct.Application.html#automatic-resources -->
-    <file compressed="true" preprocess="xml-stripblanks" alias="gtk/help-overlay.ui">ui/shortcuts.ui</file>
     <file compressed="true" preprocess="xml-stripblanks">ui/window.ui</file>
     <file compressed="true">style.css</file>
   </gresource>

credentialsd-ui/data/resources/ui/shortcuts.ui

@@ -1,19 +1,5 @@
 using Gtk 4.0;
 
-menu primary_menu {
-  section {
-    item {
-      label: _("_Preferences");
-      action: "app.preferences";
-    }
-
-    item {
-      label: _("_Keyboard Shortcuts");
-      action: "win.show-help-overlay";
-    }
-  }
-}
-
 template $CredentialsUiWindow: ApplicationWindow {
   [titlebar]
   HeaderBar headerbar {}

credentialsd-ui/data/resources/ui/window.blp

@@ -1,7 +1,6 @@
 data/xyz.iinuwa.credentialsd.CredentialsUi.desktop.in.in
 data/xyz.iinuwa.credentialsd.CredentialsUi.gschema.xml.in
 data/xyz.iinuwa.credentialsd.CredentialsUi.metainfo.xml.in.in
-data/resources/ui/shortcuts.ui
 data/resources/ui/window.blp
 src/gui/view_model/gtk/mod.rs
 src/gui/view_model/gtk/device.rs