Settings psuedolocalization fixes.

We don't need -c zz_ZZ any more, and LocalePicker now checks
the global developer options settings itself.

Also remove some dead code now zz_ZY and zz_ZZ are gone.

Bug: 17190407
Change-Id: I27f9f5bc8b27457004e7e4996ec76b76a17523eb

src/com/android/settings/LocalePicker.java

@@ -47,15 +47,6 @@ public class LocalePicker extends com.android.internal.app.LocalePicker
         setLocaleSelectionListener(this);
     }
 
-    @Override
-    protected boolean isInDeveloperMode() {
-        final boolean showDev = getActivity().getSharedPreferences(DevelopmentSettings.PREF_FILE,
-                Context.MODE_PRIVATE).getBoolean(
-                DevelopmentSettings.PREF_SHOW,
-                android.os.Build.TYPE.equals("eng"));
-        return showDev;
-    }
-
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);