removed 1st edition code

23-descriptor/bulkfood/model_v4c.py

@@ -1,23 +0,0 @@
-# BEGIN MODEL_V4
-class Quantity:
-    __counter = 0
-
-    def __init__(self):
-        cls = self.__class__
-        prefix = cls.__name__
-        index = cls.__counter
-        self.storage_name = '_{}#{}'.format(prefix, index)
-        cls.__counter += 1
-
-    def __get__(self, instance, owner):
-        if instance is None:
-            return self
-        else:
-            return getattr(instance, self.storage_name)
-
-    def __set__(self, instance, value):
-        if value > 0:
-            setattr(instance, self.storage_name, value)
-        else:
-            raise ValueError('value must be > 0')
-# END MODEL_V4