Remove HeavyWeight sample from SDK samples package.

Change-Id: Id2113b8a0cd1a7cc3d807919e6c40c50917baaea
diff --git a/build/sdk.atree b/build/sdk.atree
index e8f2f05..37c67a3 100644
--- a/build/sdk.atree
+++ b/build/sdk.atree
@@ -152,7 +152,6 @@
 development/samples/ContactManager           samples/${PLATFORM_NAME}/ContactManager
 development/samples/CrossCompatibility       samples/${PLATFORM_NAME}/CrossCompatibility
 development/samples/CubeLiveWallpaper        samples/${PLATFORM_NAME}/CubeLiveWallpaper
-development/samples/HeavyWeight              samples/${PLATFORM_NAME}/HeavyWeight
 development/samples/Home                     samples/${PLATFORM_NAME}/Home
 development/samples/JetBoy                   samples/${PLATFORM_NAME}/JetBoy
 development/samples/LunarLander              samples/${PLATFORM_NAME}/LunarLander