fixup! feat(ssh-keygen): -Z argument completion

Co-authored-by: Koichi Murase <myoga.murase@gmail.com>

Author: scop

completions/ssh-keygen

@@ -161,9 +161,7 @@ _comp_cmd_ssh_keygen()
             return
             ;;
         -${noargopts}Z)
-            local ciphers
-            _comp_compgen -v ciphers -x ssh query ciphers
-            _comp_compgen -- -W '"${ciphers[@]}"'
+            _comp_compgen -x ssh query ciphers
             return
             ;;
     esac