[Catalyst] Remove UserManager.addUserRestrictionsListener usage

Bug: 377600992
Bug: 379130874
Flag: com.android.settings.flags.catalyst
Test: testdpc
Change-Id: If0111a19af7a077a0a06c4a4fa7f1e555fbed3b9

src/com/android/settings/SettingsPreferenceFragment.java

@@ -17,7 +17,6 @@
 package com.android.settings;
 
 import static com.android.settings.SettingsActivity.EXTRA_FRAGMENT_ARG_KEY;
-import static com.android.settingslib.media.PhoneMediaDevice.isDesktop;
 
 import android.app.Activity;
 import android.app.Dialog;
@@ -187,13 +186,6 @@ public abstract class SettingsPreferenceFragment extends InstrumentedPreferenceF
 
     /** Returns if catalyst is enabled on current screen. */
     public final boolean isCatalystEnabled() {
-        // TODO(b/379130874): make Catalyst compatible with desktop device, such as user restriction
-        // check.
-        Context context = getContext();
-        if (context != null && isDesktop(context)) {
-            return false;
-        }
-
         return getPreferenceScreenCreator() != null;
     }