Revert "mount: when outside cluster network, use filer as proxy to access volume servers"

This reverts commit 096e088d7b.

weed/s3api/s3api_handlers.go

@@ -50,6 +50,9 @@ func (s3a *S3ApiServer) WithFilerClient(fn func(filer_pb.SeaweedFilerClient) err
 	}, s3a.option.FilerGrpcAddress, s3a.option.GrpcDialOption)
 
 }
+func (s3a *S3ApiServer) AdjustedUrl(location *filer_pb.Location) string {
+	return location.Url
+}
 
 // If none of the http routes match respond with MethodNotAllowed
 func notFoundHandler(w http.ResponseWriter, r *http.Request) {