fixed typo by removing unvalid comma in subdue option

Before 

```
"subdue": {
  "begin": "5PM PST",
  "end": "9AM PST",
}
````
But that causes an unvalid json, so I have changed it to

```
"subdue": {
  "begin": "5PM PST",
  "end": "9AM PST"
}
````