Improve atomic delete

skip hidden directories in load task, and return soon if path not exist
in atomicDelete

carry of #3233

Closes #3233

Signed-off-by: Ace-Tang <aceapril@126.com>
Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

runtime/v1/linux/bundle.go

@@ -179,6 +179,9 @@ func atomicDelete(path string) error {
 	// create a hidden dir for an atomic removal
 	atomicPath := filepath.Join(filepath.Dir(path), fmt.Sprintf(".%s", filepath.Base(path)))
 	if err := os.Rename(path, atomicPath); err != nil {
+		if os.IsNotExist(err) {
+			return nil
+		}
 		return err
 	}
 	return os.RemoveAll(atomicPath)