gram: drop

> ./flake.lock

Lenses
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{
  "nodes": {
    "nixpkgs": {
      "locked": {
        "lastModified": 1756787288,
        "narHash": "sha256-rw/PHa1cqiePdBxhF66V7R+WAP8WekQ0mCDG4CFqT8Y=",
        "owner": "nixos",
        "repo": "nixpkgs",
        "rev": "d0fc30899600b9b3466ddb260fd83deb486c32f1",
        "type": "github"
      },
      "original": {
        "owner": "nixos",
        "ref": "nixos-unstable",
        "repo": "nixpkgs",
        "type": "github"
      }
    },
    "root": {
      "inputs": {
        "nixpkgs": "nixpkgs"
      }
    }
  },
  "root": "root",
  "version": 7
}