set the required environment variable for manganis support

packages/fullstack/src/adapters/axum_adapter.rs

@@ -276,9 +276,6 @@ where
     fn serve_static_assets(mut self, assets_path: impl Into<std::path::PathBuf>) -> Self {
         use tower_http::services::{ServeDir, ServeFile};
 
-        // Copy over any assets we find
-        crate::collect_assets::copy_assets();
-
         let assets_path = assets_path.into();
 
         // Serve all files in dist folder except index.html