fix: ListObjectVersions should return ordered Version & DeleteMarker (#9959)

The S3 specification says that versions are ordered in the response of
list object versions.

mc snapshot needs this to know which version comes first especially when
two versions have the same exact last-modified field.

cmd/object-api-datatypes.go

@@ -368,9 +368,6 @@ type ListObjectVersionsInfo struct {
 	// List of objects info for this request.
 	Objects []ObjectInfo
 
-	// List of deleted objects for this request.
-	DeleteObjects []DeletedObjectInfo
-
 	// List of prefixes for this request.
 	Prefixes []string
 }