DOCSP-45819 remove Krb5CCName fields (#614)

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Removes the ``monitoringAgentKrb5CCName`` and ``backupAgentKrb5CCName``
fields from the docs.

- [DOCSP-45819](https://jira.mongodb.org/browse/DOCSP-45819)
-
[STAGING](https://deploy-preview-614--10gen-docs-ops-manager.netlify.app/reference/mongodb-agent-settings/#mongodb-kerberos-settings)

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Author: amalhotra-mdb

source/reference/mongodb-agent-settings.txt

@@ -616,32 +616,6 @@ using Kerberos. To configure Kerberos, see
 
    .. include:: /includes/fact-set-krb5ccname.rst
 
-.. setting:: backupAgentKrb5CCName
-
-   *Type* string
-
-   Specifies the ``KRB5CC`` environment variable that the MongoDB
-   Agent sets for the {+bagent+} process. Used only to authenticate the
-   {+bagent+} to your MongoDB deployment when the {+mdbagent+}
-   starts the {+bagent+} function.
-
-   .. code-block:: ini
-
-      backupAgentKrb5CCName=/path/to/credentials_cache_file
-
-.. setting:: monitoringAgentKrb5CCName
-
-   *Type* string
-
-   Specifies the ``KRB5CC`` environment variable that the MongoDB
-   Agent sets for the {+magent+} function. Used only to authenticate
-   {+magent+} to your MongoDB deployment when the MongoDB
-   Agent starts the {+magent+} function.
-
-   .. code-block:: ini
-
-      monitoringAgentKrb5CCName=/path/to/credentials_cache_file
-
 .. _mongodb-agent-monitoring-settings:
 
 {+magent+} Settings