Revert "[wpa_supplicant] Cumulative patch from c4e90da6d"

This reverts commit 39bc25d3a79c1375de430a7918d949c1a86f70c6.

Test: Compilation
Change-Id: Iae7670429466958911b5296cb1359bceecc0b03e
Exempt-From-Owner-Approval: Revert since it's breaking the build
diff --git a/CONTRIBUTIONS b/CONTRIBUTIONS
index c81ad64..1dc7547 100644
--- a/CONTRIBUTIONS
+++ b/CONTRIBUTIONS
@@ -140,7 +140,7 @@
 
 Modified BSD license (no advertisement clause):
 
-Copyright (c) 2002-2019, Jouni Malinen <j@w1.fi> and contributors
+Copyright (c) 2002-2017, Jouni Malinen <j@w1.fi> and contributors
 All Rights Reserved.
 
 Redistribution and use in source and binary forms, with or without