Makefile: remove useless target (#24090)
Makefile: remove useless target (#24090)

Signed-off-by: Xiang Dai <c54c64cf7043291b886753756d851be401eacd91@foxmail.com>
istio/istio,istio/istio,smawson/istio,smawson/istio,istio/istio,smawson/istio,smawson/istio,istio/istio,smawson/istio,smawson/istio,istio/istio