Removed unused config variable in description of auto-signin

Author: rodrigobr-msft

samples/python/auto-signin/README.md

@@ -47,9 +47,7 @@ This sample uses different routes, and some are configured to use an auth handle
 
     ```env
       AGENTAPPLICATION__USERAUTHORIZATION__HANDLERS__GRAPH__SETTINGS__AZUREBOTOAUTHCONNECTIONNAME=
-      AGENTAPPLICATION__USERAUTHORIZATION__HANDLERS__GRAPH__SETTINGS__OBOCONNECTIONNAME=m
       AGENTAPPLICATION__USERAUTHORIZATION__HANDLERS__GITHUB__SETTINGS__AZUREBOTOAUTHCONNECTIONNAME=
-      AGENTAPPLICATION__USERAUTHORIZATION__HANDLERS__GITHUB__SETTINGS__OBOCONNECTIONNAME=
     ```
 
     In this sample, these are the only auth handlers.

samples/python/auto-signin/env.TEMPLATE

@@ -3,6 +3,4 @@ CONNECTIONS__SERVICE_CONNECTION__SETTINGS__CLIENTSECRET=client-secret
 CONNECTIONS__SERVICE_CONNECTION__SETTINGS__TENANTID=tenant-id
 
 AGENTAPPLICATION__USERAUTHORIZATION__HANDLERS__GRAPH__SETTINGS__AZUREBOTOAUTHCONNECTIONNAME=connection-name
-AGENTAPPLICATION__USERAUTHORIZATION__HANDLERS__GRAPH__SETTINGS__OBOCONNECTIONNAME=connection-name
-AGENTAPPLICATION__USERAUTHORIZATION__HANDLERS__GITHUB__SETTINGS__AZUREBOTOAUTHCONNECTIONNAME=connection-name
-AGENTAPPLICATION__USERAUTHORIZATION__HANDLERS__GITHUB__SETTINGS__OBOCONNECTIONNAME=connection-name
+AGENTAPPLICATION__USERAUTHORIZATION__HANDLERS__GITHUB__SETTINGS__AZUREBOTOAUTHCONNECTIONNAME=connection-name