feat(nvim): switch back to copilot

flake.lock

@@ -71,29 +71,6 @@
         "type": "github"
       }
     },
-    "codeium-nvim": {
-      "inputs": {
-        "flake-utils": [
-          "flake-utils"
-        ],
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1701196468,
-        "narHash": "sha256-xZ1S+8NgxOurbYqh7n3wR3cw+FTP8DyCdb5lg7X+8kw=",
-        "owner": "jcdickinson",
-        "repo": "codeium.nvim",
-        "rev": "fd9c9030d402baf2a01cc9db08c39772c0a60324",
-        "type": "github"
-      },
-      "original": {
-        "owner": "jcdickinson",
-        "repo": "codeium.nvim",
-        "type": "github"
-      }
-    },
     "darwin": {
       "inputs": {
         "nixpkgs": [
@@ -1054,7 +1031,6 @@
         "agenix": "agenix",
         "arkenfox-userjs": "arkenfox-userjs",
         "asus-touchpad-numpad-driver": "asus-touchpad-numpad-driver",
-        "codeium-nvim": "codeium-nvim",
         "devshell": "devshell",
         "disko": "disko",
         "flake-parts": "flake-parts",