Revert "Show warning dialog in a multiuser system when adding a new account."

This reverts commit eb71f2689785bd43560afb04f8b2281c3f67f695

Change-Id: Iad4a6656e922c0d2dbd3dd349d1c24d597eab7f5
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 112b4b5..a11a948 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -1379,7 +1379,7 @@
         </activity>
 
         <activity android:name="com.android.settings.accounts.AddAccountSettings"
-            android:theme="@android:style/Theme.Holo.Panel"
+            android:theme="@android:style/Theme.Translucent.NoTitleBar"
             android:configChanges="orientation|keyboardHidden|screenSize"
             android:label="@string/header_add_an_account"
             android:taskAffinity="com.android.settings"