cargo2junit: nixfmt; move to by-name

pkgs/by-name/ca/cargo2junit/package.nix

@@ -1,4 +1,8 @@
-{ fetchCrate, lib, rustPlatform }:
+{
+  fetchCrate,
+  lib,
+  rustPlatform,
+}:
 
 rustPlatform.buildRustPackage rec {
   pname = "cargo2junit";

pkgs/top-level/all-packages.nix

@@ -15696,8 +15696,6 @@ with pkgs;
   );
   buildRustCrateHelpers = callPackage ../build-support/rust/build-rust-crate/helpers.nix { };
 
-  cargo2junit = callPackage ../development/tools/rust/cargo2junit { };
-
   cargo-web = callPackage ../development/tools/rust/cargo-web {
     inherit (darwin.apple_sdk.frameworks) CoreServices Security;
   };