Remove stale TODO WRT insecure port

It appears that it does override secure port

Signed-off-by: Nic Cope <[email protected]>

Author: negz

crossplane/function/runtime.py

@@ -83,7 +83,6 @@ def serve(
     if creds is not None:
         server.add_secure_port(address, creds)
 
-    # TODO(negz): Does this override add_secure_port?
     if insecure:
         server.add_insecure_port(address)