Remove code I don't understand anymore because it is hopefully not needed

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

@@ -26,21 +26,9 @@ class SettingsActivity : AppCompatActivity() {
                     .beginTransaction()
                     .add(android.R.id.content, fragment)
                     .commit()
-        } else if (!savedInstanceState.getBoolean("theme_change")) {
-            val fragment = getStartFragment()
-            setupActionBar()
-            supportFragmentManager
-                    .beginTransaction()
-                    .replace(android.R.id.content, fragment)
-                    .commit()
         }
     }
 
-    override fun onSaveInstanceState(outState: Bundle) {
-        super.onSaveInstanceState(outState)
-        outState.putBoolean("theme_change", true)
-    }
-
     private fun getStartFragment(): Fragment {
         return when (intent.extras?.getString(FRAGMENT, "")) {
             FRAGMENT_CALENDAR -> PreferencesCalendarFragment()