flake.lock: Update

Flake lock file updates:

• Updated input 'nixos-unstable':
    'github:NixOS/nixpkgs/52ec9ac3b12395ad677e8b62106f0b98c1f8569d' (2024-07-28)
  → 'github:NixOS/nixpkgs/9f918d616c5321ad374ae6cb5ea89c9e04bf3e58' (2024-07-31)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/12bf09802d77264e441f48e25459c10c93eada2e' (2024-07-29)
  → 'github:NixOS/nixpkgs/05405724efa137a0b899cce5ab4dde463b4fd30b' (2024-08-01)
• Updated input 'nur':
    'github:nix-community/NUR/6f645601159190be1c1ecddf14e738d2de45f6b6' (2024-07-31)
  → 'github:nix-community/NUR/ac1226f223779364c73f1a450654383768dab1b7' (2024-08-03)

home/workmac.nix

@@ -61,20 +61,16 @@ in
           {
             condition = "gitdir:~/src/schmittlauch/";
             contents = {
-              user = {
               inherit (contacts.schmittlauch) name email;
             };
-            };
           }
         ]
         # set default name for several other common locations
         ++ map (dir: {
           condition = "gitdir:${dir}";
           contents = {
-            user = {
             inherit (contacts.work) name email;
           };
-          };
         }) [ "~/" ];
     };