(DOCSP-43734): Removes Plaintext Password note.

(cherry picked from commit 6fe983a)

Author: corryroot

source/tutorial/encrypt-user-credentials.txt

@@ -21,16 +21,6 @@ file on each server.
 This procedure is valid only for SCRAM username and password authentication and (LDAP) PLAIN authentication.
 It doen't apply to ``MONGODB-X509`` or ``GSSAPI`` authentication, both of which use usernames but not passwords.
 
-.. note:: Protect Plain Text Passwords
-
-   If you choose to store credentials in plain text, reduce the
-   permissions on the :ref:`conf-mms.properties <conf-mms.properties>`
-   file on each server.
-
-   .. code-block:: sh
-
-      sudo chmod 600 <install_dir>/conf/conf-mms.properties
-
 .. important::
 
    When installed with ``rpm`` or ``deb`` packages on Linux systems,