new condition to clean corrupted products if no xml found

sen2chain/tiles.py

@@ -438,6 +438,14 @@ class Tile:
                                 logger.info("Removing indice QL {}".format(q.name))
                                 q.unlink()
                                 nb_rm += 1
+                    for q in list(p.glob("*.jp2")):
+                        if not (Path(str(q) + ".aux.xml")).exists(): 
+                            logger.info("Missing metadata: {}".format(q.name))
+                            nb_id += 1
+                            if remove:
+                                logger.info("Removing jp2 {}".format(q.name))
+                                q.unlink()
+                                nb_rm += 1
                     for q in p.glob("*.*"):
                         if q.stat().st_size == 0:
                             logger.info("Corrupted file {} (0B size)".format(q.name))