Refactor rc_microtransactions to use actix-web, remove rocket dependency

rc_microtransactions/src/robocraft/mod.rs

@@ -1,7 +1,2 @@
 mod store;
-
-pub fn stage() -> rocket::fairing::AdHoc {
-    rocket::fairing::AdHoc::on_ignite("JSON", |rocket| async {
-        rocket.attach(store::stage())
-    })
-}
+pub use store::robopay_store;