Remove duplicate line in release note
Goutham noted in review [1] that there is a duplicate line in a recent
release note, so let's remove it.
[1]
@@ -161,5 +161,3 @@ upgrade:
- The ``cinder_cross_az_attach`` option can no longer be set in the [DEFAULT] section. Use ``cross_az_attach`` in the [CINDER] section instead.
- The ``cinder_http_retries`` option can no longer be set in the [DEFAULT] section. Use ``http_retries`` in the [CINDER] section instead.
-
- - The ``cinder_cross_az_attach`` option can no longer be set in the [DEFAULT] section. Use ``cross_az_attach`` in the [CINDER] section instead.
