Remove more unused legacy preferences

app/src/main/java/de/mm20/launcher2/LauncherApplication.kt

@@ -1,7 +1,6 @@
 package de.mm20.launcher2
 
 import android.app.Application
-import androidx.appcompat.app.AppCompatDelegate
 import coil.ImageLoader
 import coil.ImageLoaderFactory
 import coil.decode.SvgDecoder
@@ -18,7 +17,6 @@ import de.mm20.launcher2.hiddenitems.hiddenItemsModule
 import de.mm20.launcher2.icons.iconsModule
 import de.mm20.launcher2.music.musicModule
 import de.mm20.launcher2.preferences.LauncherPreferences
-import de.mm20.launcher2.preferences.Themes
 import de.mm20.launcher2.search.searchModule
 import de.mm20.launcher2.unitconverter.unitConverterModule
 import de.mm20.launcher2.websites.websitesModule
@@ -47,16 +45,6 @@ class LauncherApplication : Application(), CoroutineScope, ImageLoaderFactory {
         Debug()
         LauncherPreferences.initialize(this)
 
-        val theme = LauncherPreferences.instance.theme
-        AppCompatDelegate.setDefaultNightMode(
-            when (theme) {
-                Themes.LIGHT -> AppCompatDelegate.MODE_NIGHT_NO // light
-                Themes.DARK -> AppCompatDelegate.MODE_NIGHT_YES // dark, black
-                Themes.AUTO -> AppCompatDelegate.MODE_NIGHT_AUTO // auto
-                else -> AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM //system
-            }
-        )
-
         startKoin {
             androidLogger(if (BuildConfig.DEBUG) Level.ERROR else Level.NONE)
             androidContext(this@LauncherApplication)

app/src/main/java/de/mm20/launcher2/activity/SettingsActivity.kt

@@ -8,14 +8,12 @@ import androidx.fragment.app.Fragment
 import de.mm20.launcher2.fragment.PreferencesMainFragment
 import de.mm20.launcher2.fragment.PreferencesServicesFragment
 import de.mm20.launcher2.ui.launcher.LauncherActivity
-import de.mm20.launcher2.ui.legacy.helper.ThemeHelper
 
 class SettingsActivity : AppCompatActivity() {
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
-        ThemeHelper.applyTheme(theme)
 
         if (savedInstanceState == null) {
             val fragment = getStartFragment()

app/src/main/java/de/mm20/launcher2/fragment/PreferencesAppearanceFragment.kt

@@ -22,7 +22,6 @@ import de.mm20.launcher2.icons.IconRepository
 import de.mm20.launcher2.icons.LauncherIcon
 import de.mm20.launcher2.preferences.IconShape
 import de.mm20.launcher2.preferences.LauncherPreferences
-import de.mm20.launcher2.preferences.Themes
 import de.mm20.launcher2.ui.legacy.view.LauncherIconView
 import kotlinx.coroutines.launch
 import org.koin.android.ext.android.inject
@@ -31,18 +30,6 @@ class PreferencesAppearanceFragment : PreferenceFragmentCompat() {
 
     override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
         addPreferencesFromResource(R.xml.preferences_appearance)
-        findPreference<Preference>("theme")?.setOnPreferenceChangeListener { _, newValue ->
-            val theme = Themes.byValue(newValue as String)
-            @Suppress("DEPRECATION") // Still using MODE_NIGHT_AUTO
-            AppCompatDelegate.setDefaultNightMode(when (theme) {
-                Themes.LIGHT -> AppCompatDelegate.MODE_NIGHT_NO
-                Themes.DARK -> AppCompatDelegate.MODE_NIGHT_YES
-                Themes.AUTO -> AppCompatDelegate.MODE_NIGHT_AUTO
-                else -> AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM
-            })
-            requireActivity().recreate()
-            true
-        }
 
         findPreference<Preference>("card_background")?.setOnPreferenceChangeListener { _, newValue ->
             requireActivity().recreate()