Remove nix-filter input.

flake.lock

@@ -105,21 +105,6 @@
         "type": "github"
       }
     },
-    "nix-filter": {
-      "locked": {
-        "lastModified": 1678109515,
-        "narHash": "sha256-C2X+qC80K2C1TOYZT8nabgo05Dw2HST/pSn6s+n6BO8=",
-        "owner": "numtide",
-        "repo": "nix-filter",
-        "rev": "aa9ff6ce4a7f19af6415fb3721eaa513ea6c763c",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "nix-filter",
-        "type": "github"
-      }
-    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1678654296,
@@ -183,7 +168,6 @@
         "crane": "crane",
         "devshell": "devshell",
         "flake-utils": "flake-utils",
-        "nix-filter": "nix-filter",
         "nixpkgs": "nixpkgs",
         "pre-commit-hooks": "pre-commit-hooks",
         "rust-overlay": "rust-overlay",

flake.nix

@@ -9,7 +9,6 @@
         flake-utils.follows = "flake-utils";
       };
     };
-    nix-filter.url = "github:numtide/nix-filter";
     pre-commit-hooks = {
       url = "github:cachix/pre-commit-hooks.nix";
       inputs = {
@@ -43,7 +42,6 @@
     { self
     , nixpkgs
     , flake-utils
-    , nix-filter
     , rust-overlay
     , crane
     , devshell