Revert "Fixing crash in empty folders. (Bug 11627191)"

This reverts commit 68b667848ef7c6f69b24a40d780e4088a5f2a1fb.

Change-Id: I51da495d6f8ef98b268c23cce02cce5ef1c7ea00
diff --git a/src/com/android/launcher3/LauncherModel.java b/src/com/android/launcher3/LauncherModel.java
index a69617a..74f28b3 100644
--- a/src/com/android/launcher3/LauncherModel.java
+++ b/src/com/android/launcher3/LauncherModel.java
@@ -584,9 +584,8 @@
             // as in Workspace.onDrop. Here, we just add/remove them from the list of items
             // that are on the desktop, as appropriate
             ItemInfo modelItem = sBgItemsIdMap.get(itemId);
-            if (modelItem != null &&
-                    (modelItem.container == LauncherSettings.Favorites.CONTAINER_DESKTOP ||
-                     modelItem.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT)) {
+            if (modelItem.container == LauncherSettings.Favorites.CONTAINER_DESKTOP ||
+                    modelItem.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) {
                 switch (modelItem.itemType) {
                     case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION:
                     case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: