#14814: Remove stale __hex__ method from ipaddress

Obsolete 2.x method.
diff --git a/Lib/ipaddress.py b/Lib/ipaddress.py
index cb35685..90c69a4 100644
--- a/Lib/ipaddress.py
+++ b/Lib/ipaddress.py
@@ -482,9 +482,6 @@
     def __int__(self):
         return self._ip
 
-    def __hex__(self):
-        return hex(self._ip)
-
     def __eq__(self, other):
         try:
             return (self._ip == other._ip