Fix #754, Remove obsolete license (#755)

Author: skliper

cmake/sample_defs/default_osconfig.cmake

@@ -1,15 +1,3 @@
-#
-# 
-#    Copyright (c) 2020, United States government as represented by the
-#    administrator of the National Aeronautics Space Administration.
-#    All rights reserved. This software was created at NASA Goddard
-#    Space Flight Center pursuant to government contracts.
-# 
-#    This is governed by the NASA Open Source Agreement and may be used,
-#    distributed and modified only according to the terms of that agreement.
-# 
-#
-
 ##########################################################################
 #
 # CFE configuration options for OSAL