Update azfd0004.md

Author: madelinegordon

articles/azure-functions/errors-diagnostics/diagnostic-events/azfd0004.md

@@ -30,7 +30,6 @@ For more information, see [host ID considerations](../../../storage-consideratio
 - Point your app at a different storage account.
 - Rename your app to something less than 32 characters in length. This will change the computed Host ID for the app and remove the collision.
 - Provide an explicit Host ID for your app(s) so they don't conflict anymore (see below).
-- In the case of v4 hard failure, you can disable this error via the FUNCTIONS_HOSTID_CHECK_LEVEL app setting. Only do this if none of the options above are possible for you. Possible values for this setting are "Warning" and "Error".
 
 ## When to suppress the event
 This event should not be suppressed.