Remove redundant logout button from Settings About tab (#641)

Co-authored-by: M57 <Hy4ri@users.noreply.github.com>

app/src/main/java/com/m57/hermescontrol/Navigation.kt

@@ -158,7 +158,6 @@ private fun appEntryProvider(
     entry<SettingsAbout> {
         SettingsAboutPage(
             onBack = { NavigationController.goBack() },
-            onLogout = { /* handled by caller via goBack fallback */ },
             viewModel = viewModel { SettingsViewModel() },
         )
     }