DOCSP-20468 remove duplicate subject alternative name (#357)

Author: ianf-mongodb

source/reference/glossary.txt

@@ -946,12 +946,6 @@ Glossary
       :doc:`/core/storage-engines` for specific details on the built-in
       storage engines in MongoDB.
 
-   Subject Alternative Name
-      Subject Alternative Name (SAN) is an extension of the X.509 
-      certificate which allows an array of values such as IP addresses 
-      and domain names that specify which resources a single security 
-      certificate may secure.
-
    strict consistency
       A property of a distributed system requiring that all members
       always reflect the latest changes to the system. In a database