treewide: clean up 'meta = with' pattern

This commit was created by a combination of scripts and tools:
- an ast-grep script to prefix things in meta with `lib.`,
- a modified nixf-diagnose / nixf combination to remove unused `with
lib;`, and
- regular nixfmt.

Co-authored-by: Wolfgang Walther <walther@technowledgy.de>

pkgs/development/ocaml-modules/bitstring/default.nix

@@ -20,10 +20,10 @@ buildDunePackage rec {
 
   propagatedBuildInputs = [ stdlib-shims ];
 
-  meta = with lib; {
+  meta = {
     description = "This library adds Erlang-style bitstrings and matching over bitstrings as a syntax extension and library for OCaml";
     homepage = "https://github.com/xguerin/bitstring";
-    license = licenses.lgpl21Plus;
-    maintainers = [ maintainers.maurer ];
+    license = lib.licenses.lgpl21Plus;
+    maintainers = [ lib.maintainers.maurer ];
   };
 }