Remove obsolete doc references to LauncherAppWidgetBinder

Change-Id: I8b9c2d8145d56b891f26dabebead35275d81b6ba
diff --git a/src/com/android/launcher2/LauncherProvider.java b/src/com/android/launcher2/LauncherProvider.java
index d40e1ec..abd5e5d 100644
--- a/src/com/android/launcher2/LauncherProvider.java
+++ b/src/com/android/launcher2/LauncherProvider.java
@@ -465,8 +465,7 @@
 
         /**
          * Upgrade existing clock and photo frame widgets into their new widget
-         * equivalents. This method allocates appWidgetIds, and then hands off to
-         * LauncherAppWidgetBinder to finish the actual binding.
+         * equivalents.
          */
         private void convertWidgets(SQLiteDatabase db) {
             final AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(mContext);