Removed unnecessary caches and methods in the authentication interface.

Change-Id: I274b3df6ef5c388dc534c4da8c6fa2fc7ccf3482
diff --git a/full/Changes b/full/Changes
index 92c154e..7b459df 100644
--- a/full/Changes
+++ b/full/Changes
@@ -3,6 +3,7 @@
 - Removed auditing (#611)
 - Removed old database configurations (#612)
 - Removed old tests
+- Removed unnecessary caches and methods in the authentication interface
 
 # version 0.70.1