Remove watchdog/wd_udp.c This is renamed to wd_heartbeat.c.
Remove watchdog/wd_udp.c
This is renamed to wd_heartbeat.c.

treasure-data/prestogres,treasure-data/prestogres,treasure-data/prestogres,treasure-data/prestogres,treasure-data/prestogres,treasure-data/prestogres,treasure-data/prestogres