App title, removed preferences button

data/eu.ichibi.Lumos.desktop.in

@@ -1,5 +1,5 @@
 [Desktop Entry]
-Name=lumos
+Name=Lumos
 Exec=lumos
 Icon=eu.ichibi.Lumos
 Terminal=false

src/main.py

@@ -62,7 +62,7 @@ class LumosApplication(Adw.Application):
     def on_about_action(self, widget, _):
         """Callback for the app.about action."""
         about = Adw.AboutWindow(transient_for=self.props.active_window,
-                                application_name='lumos',
+                                application_name='Lumos',
                                 application_icon='eu.ichibi.Lumos',
                                 developer_name='Daniele Verducci',
                                 version='0.1.0',

src/window.ui

@@ -138,10 +138,12 @@
   </template>
   <menu id="primary_menu">
     <section>
+      <!--
       <item>
         <attribute name="label" translatable="yes">_Preferences</attribute>
         <attribute name="action">app.preferences</attribute>
       </item>
+      -->
       <item>
         <attribute name="label" translatable="yes">_Keyboard Shortcuts</attribute>
         <attribute name="action">win.show-help-overlay</attribute>