remove FAIL_FAST from systemd config

config/ras.service

@@ -14,7 +14,6 @@ Environment="CHAT_NAV_PORT=5193"
 Environment="CHAT_PORT=5192"
 Environment="DB_PATH=/var/ras/oscar.sqlite"
 Environment="DISABLE_AUTH=true"
-Environment="FAIL_FAST=false"
 Environment="LOG_LEVEL=info"
 Environment="ODIR_PORT=5197"
 Environment="OSCAR_HOST=127.0.0.1"