Break Change: use yml, which is easier to parse, as the config format

config/utils.go

@@ -27,20 +27,3 @@ func or(pointers ...*int) *int {
 	}
 	return pointers[len(pointers)-1]
 }
-
-func parseOptions(startIdx int, params ...string) map[string]string {
-	mapping := make(map[string]string)
-	if len(params) <= startIdx {
-		return mapping
-	}
-
-	for _, option := range params[startIdx:] {
-		pair := strings.SplitN(option, "=", 2)
-		if len(pair) != 2 {
-			continue
-		}
-
-		mapping[strings.Trim(pair[0], " ")] = strings.Trim(pair[1], " ")
-	}
-	return mapping
-}