Remove Oltu request and validator implementations (#650)

Change-Id: I290f5db8c1c0238b955c0a062340e208ba60ff05
diff --git a/full/Changes b/full/Changes
index f1e63b9..f7d62c5 100644
--- a/full/Changes
+++ b/full/Changes
@@ -21,6 +21,7 @@
 - Fix JettyServerTest, init package, and some java docs.
 - Make scope extraction more flexible.
 - Updated token response using Nimbus (#650)
+- Remove Oltu request and validator implementations (#650)
 
 
 # version 0.71.1