PROTON-2890: [Python examples] Revert changes to example output

They were causing the example test runner to fail.
diff --git a/python/examples/client.py b/python/examples/client.py
index 26dfdcf..96dd98b 100755
--- a/python/examples/client.py
+++ b/python/examples/client.py
@@ -58,7 +58,7 @@
         request = self.outstanding.pop(correlation_id, None)
 
         if request:
-            print(f"{request}({correlation_id}) => {message.body}")
+            print(f"{request} => {message.body}")
             self.accept(delivery)
         else:
             print(f"Unexpected response - unknown correlation_id({correlation_id}): {message.body}")
diff --git a/python/examples/simple_recv.py b/python/examples/simple_recv.py
index 61bf1bb..d64a8cd 100755
--- a/python/examples/simple_recv.py
+++ b/python/examples/simple_recv.py
@@ -42,7 +42,7 @@
             return
         self.dedup_ids.add(message.id)
         if self.expected == 0 or self.received < self.expected:
-            print(f"{message}")
+            print(f"{message.body}")
             self.received += 1
             if self.received == self.expected:
                 event.receiver.close()