Remove unused variable in for loop

Signed-off-by: Maxime “pep” Buquet <pep@bouah.net>

slixmpp_omemo/__init__.py

@@ -116,7 +116,7 @@ def _generate_encrypted_payload(encrypted) -> Encrypted:
     if 'payload' in encrypted:
         tag['payload']['value'] = b64enc(encrypted['payload'])
 
-    for bare_jid, devices in encrypted['keys'].items():
+    for devices in encrypted['keys'].values():
         for rid, device in devices.items():
             key = Key()
             key['value'] = b64enc(device['data'])