Cleaning up extra line related to icon density change.

Change-Id: I3a8849a5800af1f04f097c4ce55ecf5d97292f4c
diff --git a/src/com/android/launcher2/IconCache.java b/src/com/android/launcher2/IconCache.java
index 2430a6b..4caada3 100644
--- a/src/com/android/launcher2/IconCache.java
+++ b/src/com/android/launcher2/IconCache.java
@@ -51,7 +51,6 @@
     public IconCache(LauncherApplication context) {
         mContext = context;
         mPackageManager = context.getPackageManager();
-        int density = context.getResources().getDisplayMetrics().densityDpi;
         if (LauncherApplication.isScreenLarge()) {
             if (density == DisplayMetrics.DENSITY_LOW) {
                 mIconDpi = DisplayMetrics.DENSITY_MEDIUM;