remove unused code

weed/shell/command_remote_unmount.go

@@ -6,7 +6,6 @@ import (
 	"fmt"
 	"github.com/chrislusf/seaweedfs/weed/filer"
 	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
-	"github.com/chrislusf/seaweedfs/weed/pb/remote_pb"
 	"github.com/chrislusf/seaweedfs/weed/util"
 	"io"
 )
@@ -78,12 +77,6 @@ func (c *commandRemoteUnmount) Do(args []string, commandEnv *CommandEnv, writer
 	return nil
 }
 
-func (c *commandRemoteUnmount) findRemoteStorageConfiguration(commandEnv *CommandEnv, writer io.Writer, remote *remote_pb.RemoteStorageLocation) (conf *remote_pb.RemoteConf, err error) {
-
-	return filer.ReadRemoteStorageConf(commandEnv.option.GrpcDialOption, commandEnv.option.FilerAddress, remote.Name)
-
-}
-
 func (c *commandRemoteUnmount) purgeMountedData(commandEnv *CommandEnv, dir string) error {
 
 	// find existing directory, and ensure the directory is empty