chore(chart): remove redis/nsqd port config and modify the off-cluster database

Author: lijianguo

charts/workflow/values.yaml

@@ -190,22 +190,14 @@ database:
   username: ""
   password: ""
   # Configure the following ONLY if using an off-cluster PostgreSQL database
-  postgres:
-    name: "database name"
-    username: "database username"
-    password: "database password"
-    host: "database host"
-    port: "database port"
+  url: "postgres://USER:PASSWORD@HOST:PORT/NAME"
 
 nsqd:
   replicas: 1
-  tcp_port: 4150
-  http_port: 4151
 
 redis:
   # The following parameters are configured only when using an on-cluster Redis instance
   replicas: 1
-  port: "6379"
   # The following parameters are configured only when using an off-cluster Redis instance
   addrs: "" # A list of clusters: "127.0.0.1:7001/1,127.0.0.2:7002/1"
   password: "redis password" # "" == no password