[#772] node: Apply gofumpt

Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>

pkg/local_object_storage/blobovnicza/iterate.go

@@ -116,8 +116,7 @@ func (x *IteratePrm) IgnoreErrors() {
 }
 
 // IterateRes groups the resulting values of Iterate operation.
-type IterateRes struct {
-}
+type IterateRes struct{}
 
 // Iterate goes through all stored objects, and passes IterationElement to parameterized handler until error return.
 //