john: remove use of `with lib;`

pkgs/by-name/jo/john/package.nix

···
     done
   '';
 
-  meta = with lib; {
+  meta = {
     description = "John the Ripper password cracker";
-    license = [ licenses.gpl2Plus ] ++ lib.optionals enableUnfree [ licenses.unfreeRedistributable ];
+    license = [
+      lib.licenses.gpl2Plus
+    ]
+    ++ lib.optionals enableUnfree [ lib.licenses.unfreeRedistributable ];
     homepage = "https://github.com/openwall/john/";
-    maintainers = with maintainers; [
+    maintainers = with lib.maintainers; [
       offline
       matthewbauer
       cherrykitten
     ];
-    platforms = platforms.unix;
+    platforms = lib.platforms.unix;
   };
 }