Remove obsolete SDK_INT check

app/src/main/java/com/topjohnwu/magisk/ui/inflater/LayoutInflaterFactory.kt

@@ -26,9 +26,7 @@ open class LayoutInflaterFactory(private val delegate: AppCompatDelegate) : Layo
     open fun onViewCreated(view: View?, parent: View?, name: String, context: Context, attrs: AttributeSet) {
         if (view == null) return
 
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
-            WindowInsetsHelper.attach(view, attrs)
-        }
+        WindowInsetsHelper.attach(view, attrs)
     }
 }
 
@@ -85,4 +83,4 @@ private object LayoutInflaterFactoryDefaultImpl {
             null
         }
     }
-}
+}

app/src/main/java/com/topjohnwu/magisk/ui/settings/SettingsViewModel.kt

@@ -59,7 +59,7 @@ class SettingsViewModel(
         ))
         if (Info.env.isActive) {
             list.add(ClearRepoCache)
-            if (Build.VERSION.SDK_INT >= 21 && Const.USER_ID == 0) {
+            if (Const.USER_ID == 0) {
                 if (hidden)
                     list.add(Restore)
                 else if (Info.isConnected.get())