nix-kaitai-struct: make it not longer part of the devshell

just now pulls in jdk in

meson.build

@@ -61,4 +61,3 @@ if get_option('unit-tests')
 endif
 subproject('nix-functional-tests')
 subproject('json-schema-checks')
-subproject('kaitai-struct-checks')

packaging/dev-shell.nix

@@ -109,7 +109,6 @@ pkgs.nixComponents2.nix-util.overrideAttrs (
           ++ pkgs.nixComponents2.nix-external-api-docs.nativeBuildInputs
           ++ pkgs.nixComponents2.nix-functional-tests.externalNativeBuildInputs
           ++ pkgs.nixComponents2.nix-json-schema-checks.externalNativeBuildInputs
-          ++ pkgs.nixComponents2.nix-kaitai-struct-checks.externalNativeBuildInputs
           ++ lib.optional (
             !buildCanExecuteHost
             # Hack around https://github.com/nixos/nixpkgs/commit/bf7ad8cfbfa102a90463433e2c5027573b462479
@@ -149,7 +148,6 @@ pkgs.nixComponents2.nix-util.overrideAttrs (
     ++ pkgs.nixComponents2.nix-expr.externalPropagatedBuildInputs
     ++ pkgs.nixComponents2.nix-cmd.buildInputs
     ++ lib.optionals havePerl pkgs.nixComponents2.nix-perl-bindings.externalBuildInputs
-    ++ lib.optional havePerl pkgs.perl
-    ++ pkgs.nixComponents2.nix-kaitai-struct-checks.externalBuildInputs;
+    ++ lib.optional havePerl pkgs.perl;
   }
 )

src/kaitai-struct-checks/package.nix

@@ -1,4 +1,5 @@
 # Run with: nix build .#nix-kaitai-struct-checks
+# or: `nix develop .#nix-kaitai-struct-checks` to enter a dev shell
 {
   lib,
   mkMesonDerivation,