remove context and socket unused

Author: Carreau

tests/test_zmq_shell.py

@@ -211,8 +211,6 @@ def test_unregister_hook(self):
 
 
 def test_magics(tmp_path):
-    context = zmq.Context()
-    socket = context.socket(zmq.PUB)
     shell = InteractiveShell()
     shell.user_ns["hi"] = 1
     magics = KernelMagics(shell)
@@ -234,9 +232,6 @@ def test_magics(tmp_path):
             magics.man("ls")
         magics.autosave("10")
 
-    socket.close()
-    context.destroy()
-
 
 def test_zmq_interactive_shell(kernel):
     shell = ZMQInteractiveShell()