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/servers/sql/postgresql/generic.nix

@@ -621,19 +621,19 @@ let
           };
         };
 
-      meta = with lib; {
+      meta = {
         homepage = "https://www.postgresql.org";
         description = "Powerful, open source object-relational database system";
-        license = licenses.postgresql;
+        license = lib.licenses.postgresql;
         changelog = "https://www.postgresql.org/docs/release/${finalAttrs.version}/";
-        teams = [ teams.postgres ];
+        teams = [ lib.teams.postgres ];
         pkgConfigModules = [
           "libecpg"
           "libecpg_compat"
           "libpgtypes"
           "libpq"
         ];
-        platforms = platforms.unix;
+        platforms = lib.platforms.unix;
 
         # JIT support doesn't work with cross-compilation. It is attempted to build LLVM-bytecode
         # (`%.bc` is the corresponding `make(1)`-rule) for each sub-directory in `backend/` for