fix ws bug

hmq.config

@@ -1,5 +1,5 @@
 {
-	"workerNum":40960,
+	"workerNum": 4096,
 	"port": "1883",
 	"host": "0.0.0.0",
 	"cluster": {

main.go

@@ -9,10 +9,6 @@ import (
 	log "github.com/cihub/seelog"
 )
 
-func init() {
-
-}
-
 func main() {
 	runtime.GOMAXPROCS(runtime.NumCPU())
 	runtime.GC()