Revert "Protect LOGIN_ACCOUNTS_CHANGED receiver in SyncManager"

This reverts commit cf2bd348e73e880fe5bfc7a025732d4ec606ff1f.

Reverted because for account removal the AccountManagerService
delegates the sending of LOGIN_ACCOUNTS_CHANGED to the authenticator.
See b/17511110.

Change-Id: Ic03016af98070b4add5f7a5ec1fdff32ba63298e

services/core/java/com/android/server/content/SyncManager.java

@@ -16,7 +16,6 @@
 
 package com.android.server.content;
 
-import android.Manifest;
 import android.accounts.Account;
 import android.accounts.AccountAndUser;
 import android.accounts.AccountManager;
@@ -481,7 +480,7 @@ public class SyncManager {
             mContext.registerReceiverAsUser(mAccountsUpdatedReceiver,
                     UserHandle.ALL,
                     new IntentFilter(AccountManager.LOGIN_ACCOUNTS_CHANGED_ACTION),
-                    Manifest.permission.ACCOUNT_MANAGER, null);
+                    null, null);
         }
 
         // Pick a random second in a day to seed all periodic syncs