remove redundant rand.Seed

selector/default.go

@@ -1,9 +1,6 @@
 package selector
 
 import (
-	"math/rand"
-	"time"
-
 	"github.com/micro/go-micro/registry"
 )
 
@@ -11,10 +8,6 @@ type defaultSelector struct {
 	so Options
 }
 
-func init() {
-	rand.Seed(time.Now().Unix())
-}
-
 func (r *defaultSelector) Init(opts ...Option) error {
 	for _, o := range opts {
 		o(&r.so)