lib: heap: remove Linux Foundation copy right

Linux foundation copy right is not needed for smaller fixes in the file.
so removing the copy right.

Change-Id: I0cf1cc360db2675a27e79c89353a15de2a49cd8d
diff --git a/lib/heap/heap.c b/lib/heap/heap.c
index 3393081..a4835f9 100644
--- a/lib/heap/heap.c
+++ b/lib/heap/heap.c
@@ -1,7 +1,6 @@
 /*
  * Copyright (c) 2008-2009 Travis Geiselbrecht
  * Copyright (c) 2009 Corey Tabaka
- * Copyright (c) 2009,2014 The Linux Foundation. All rights reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining
  * a copy of this software and associated documentation files