chore: update nix flake

flake.lock

@@ -118,26 +118,6 @@
         "type": "github"
       }
     },
-    "gitCommitFlake": {
-      "inputs": {
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1738271276,
-        "narHash": "sha256-QHpSScRFRnqnLDQO7xMGVlfcnG0OtgaiZYFYM2fCo/8=",
-        "ref": "refs/heads/master",
-        "rev": "447f0fafe0545837faf6c50385022b1f5834b14d",
-        "revCount": 2,
-        "type": "git",
-        "url": "https://gitlab.schukai.com/schukai/entwicklung/nix-flake-git-commit.git"
-      },
-      "original": {
-        "type": "git",
-        "url": "https://gitlab.schukai.com/schukai/entwicklung/nix-flake-git-commit.git"
-      }
-    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1714971268,
@@ -205,7 +185,6 @@
         "certificatesFlake": "certificatesFlake",
         "commonFlake": "commonFlake_2",
         "flake-utils": "flake-utils_2",
-        "gitCommitFlake": "gitCommitFlake",
         "nixpkgs": "nixpkgs_3",
         "versionFlake": "versionFlake_2"
       }