Remove "v2" from the data usage version 2 code.

Change-Id: I8ede82029194d1a9a43d00a3de7ec1a8dd77d978
Fixes: 117420679
Test: make RunSettingsRoboTests
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 598dd3b..a08d028 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -2223,7 +2223,7 @@
                 <category android:name="android.intent.category.DEFAULT" />
             </intent-filter>
             <meta-data android:name="com.android.settings.FRAGMENT_CLASS"
-                       android:value="com.android.settings.datausage.DataUsageListV2" />
+                       android:value="com.android.settings.datausage.DataUsageList" />
         </activity>
 
         <activity