Remove vector manipulation from demo project
The vector support needs to be covered by our test suite, but it doesn't
need to be featured to this extent in our intro code.
diff --git a/demo-cxx/demo.h b/demo-cxx/demo.h
index 9a90716..fafc474 100644
--- a/demo-cxx/demo.h
+++ b/demo-cxx/demo.h
@@ -15,12 +15,10 @@
};
struct SharedThing;
-struct JsonBlob;
std::unique_ptr<ThingC> make_demo(rust::Str appname);
const std::string &get_name(const ThingC &thing);
-std::unique_ptr<std::vector<uint8_t>> do_thing(SharedThing state);
-JsonBlob get_jb(const rust::Vec<uint8_t> &vec);
+void do_thing(SharedThing state);
} // namespace example
} // namespace org