Remove broken L2aProduct property: cloud_coverage_percentage

sen2chain/products.py

@@ -1043,10 +1043,6 @@ class L2aProduct(Product):
     def thin_cirrus_percentage(self):
         return self._get_metadata_value(key="THIN_CIRRUS_PERCENTAGE")
 
-    @property
-    def cloud_coverage_percentage(self):
-        return self._get_metadata_value(key="CLOUD_COVERAGE_PERCENTAGE")
-
     # FOOTPRINT
     @property
     def footprint(self) -> List[Tuple[float, float]]: