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/os-specific/linux/minimal-bootstrap/diffutils/default.nix

@@ -43,12 +43,12 @@ bash.runCommand "${pname}-${version}"
         mkdir $out
       '';
 
-    meta = with lib; {
+    meta = {
       description = "Commands for showing the differences between files (diff, cmp, etc.)";
       homepage = "https://www.gnu.org/software/diffutils/diffutils.html";
-      license = licenses.gpl3Only;
-      teams = [ teams.minimal-bootstrap ];
-      platforms = platforms.unix;
+      license = lib.licenses.gpl3Only;
+      teams = [ lib.teams.minimal-bootstrap ];
+      platforms = lib.platforms.unix;
     };
   }
   ''