Remove unused GUI stuff

Author: iinuwa

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

@@ -10,23 +10,11 @@
         <attribute name="label" translatable="yes">_Keyboard Shortcuts</attribute>
         <attribute name="action">win.show-help-overlay</attribute>
       </item>
-      <item>
-        <attribute name="label" translatable="yes">_About Credential Manager</attribute>
-        <attribute name="action">app.about</attribute>
-      </item>
     </section>
   </menu>
   <template class="CredentialsUiWindow" parent="GtkApplicationWindow">
     <child type="titlebar">
       <object class="GtkHeaderBar" id="headerbar">
-        <child type="end">
-          <object class="GtkMenuButton" id="appmenu_button">
-            <property name="icon-name">open-menu-symbolic</property>
-            <property name="menu-model">primary_menu</property>
-            <property name="primary">True</property>
-            <property name="tooltip-text" translatable="yes">Main Menu</property>
-          </object>
-        </child>
       </object>
     </child>
     <child>

credentialsd-ui/src/gui/view_model/gtk/application.rs

@@ -1,5 +1,4 @@
 use async_std::channel::{Receiver, Sender};
-use gettextrs::gettext;
 use tracing::{debug, info};
 
 use gtk::prelude::*;
@@ -128,13 +127,7 @@ impl CredentialsUi {
             })
             .build();
 
-        // About
-        let action_about = gio::ActionEntry::builder("about")
-            .activate(|app: &Self, _, _| {
-                app.show_about_dialog();
-            })
-            .build();
-        self.add_action_entries([action_quit, action_about]);
+        self.add_action_entries([action_quit]);
     }
 
     // Sets up keyboard shortcuts
@@ -155,21 +148,6 @@ impl CredentialsUi {
         }
     }
 
-    fn show_about_dialog(&self) {
-        let dialog = gtk::AboutDialog::builder()
-            .logo_icon_name(APP_ID)
-            .license_type(gtk::License::Lgpl30Only)
-            .website("https://github.com/linux-credentials/linux-webauthn-portal-api")
-            .version(VERSION)
-            .transient_for(&self.main_window())
-            .translator_credits(gettext("translator-credits"))
-            .modal(true)
-            .authors(vec!["Isaiah Inuwa <[email protected]>"])
-            .build();
-
-        dialog.present();
-    }
-
     pub fn run(&self) -> glib::ExitCode {
         info!("Credentials UI ({})", APP_ID);
         info!("Version: {} ({})", VERSION, PROFILE);