remove unused file

weed/operation/list_masters.go

@@ -1,32 +0,0 @@
-package operation
-
-import (
-	"encoding/json"
-
-	"github.com/chrislusf/seaweedfs/weed/glog"
-	"github.com/chrislusf/seaweedfs/weed/util"
-)
-
-type ClusterStatusResult struct {
-	IsLeader bool     `json:"IsLeader,omitempty"`
-	Leader   string   `json:"Leader,omitempty"`
-	Peers    []string `json:"Peers,omitempty"`
-}
-
-func ListMasters(server string) (leader string, peers []string, err error) {
-	jsonBlob, err := util.Get("http://" + server + "/cluster/status")
-	glog.V(2).Info("list masters result :", string(jsonBlob))
-	if err != nil {
-		return "", nil, err
-	}
-	var ret ClusterStatusResult
-	err = json.Unmarshal(jsonBlob, &ret)
-	if err != nil {
-		return "", nil, err
-	}
-	peers = ret.Peers
-	if ret.IsLeader {
-		peers = append(peers, ret.Leader)
-	}
-	return ret.Leader, peers, nil
-}