flake.nix: remove default pkg

flake.nix

@@ -20,26 +20,6 @@
         overlays = [fenix.overlays.default];
       });
   in {
-    packages = eachSystem (system: let
-      pkgs = nixpkgs.legacyPackages.${system};
-      inherit ((builtins.fromTOML (builtins.readFile ./Cargo.toml)).package) version;
-    in {
-      default = pkgsFor.${system}.rustPlatform.buildRustPackage {
-        pname = "forex";
-        version = "${version}";
-
-        src = self;
-
-        cargoLock = {
-          lockFile = ./.;
-        };
-
-        nativeBuildInputs = with pkgs; [pkg-config];
-        buildInputs = with pkgs; [openssl];
-
-        doCheck = false;
-      };
-    });
     checks = eachSystem (system: {
       pre-commit-check = pre-commit-hooks.lib.${system}.run {
         src = ./.;
@@ -60,8 +40,8 @@
         packages = with pkgsFor.${system}; [
           nil
           alejandra
-          openssl
           pkg-config
+          openssl
           (fenix.packages.${system}.complete.withComponents [
             "cargo"
             "clippy"