core: remove deprecation

packages/hydrooj/src/interface.ts

@@ -726,7 +726,8 @@ declare global {
             addons: string[],
         }
     }
-    var bus: typeof import('./service/bus'); // eslint-disable-line
+    /** @deprecated */
+    var bus: Context; // eslint-disable-line
     var app: Context; // eslint-disable-line
     var Hydro: HydroGlobal; // eslint-disable-line
     var addons: string[]; // eslint-disable-line