Remove deprecated 'auth_support' parameter

Change-Id: I7cd3b9c67da33616664e1721d0017d3944efc28e
diff --git a/Changes b/Changes
index 1763384..fafbeaa 100755
--- a/Changes
+++ b/Changes
@@ -1,6 +1,8 @@
 0.48 2022-12-06
         - Added support for NKJP tagset in annotation
           assistant. (diewald)
+        - Remove deprecated 'auth_support' (since 0.31)
+          configuration parameter - use 'Auth' plugin instead. (diewald)
 
 0.47 2022-11-22
         - Add command to generate super_client_info file. (diewald)