Revert "feat: add http metrics (#280)" (#281)

This reverts commit 36a4f63.

src/api/mod.rs

@@ -134,12 +134,16 @@ impl Api {
             .await
         {
             GetStatusResponse::Ok(x) => {
-                self.status_counter.with_label_values(&["success"]).inc();
+                self.status_counter
+                    .with_label_values(&[&"success".to_string()])
+                    .inc();
                 GetStatusResponse::Ok(x)
             }
             GetStatusResponse::TaskNotFound(x) => GetStatusResponse::TaskNotFound(x),
             GetStatusResponse::InternalServerError(e) => {
-                self.status_counter.with_label_values(&["fail"]).inc();
+                self.status_counter
+                    .with_label_values(&[&"fail".to_string()])
+                    .inc();
                 GetStatusResponse::InternalServerError(e)
             }
         }

src/lib.rs

@@ -1,3 +1,2 @@
 pub mod api;
-pub mod middleware;
 pub mod services;

src/main.rs

@@ -1,14 +1,13 @@
 use std::io::ErrorKind;
 use std::sync::Arc;
 
-use poem::endpoint::{EndpointExt, PrometheusExporter};
+use poem::endpoint::PrometheusExporter;
 use poem::{listener::TcpListener, Route, Server};
 use poem_openapi::OpenApiService;
 use prometheus::Registry;
 
 use substrate_runtime_builder::{
     api::Api,
-    middleware::metrics::MetricsMiddleware,
     services::{
         async_zip::AsyncZipArchiverService, code_generator::service::CodeGeneratorService,
         git::GitService, s3::S3ObjectStoreService,
@@ -57,15 +56,10 @@ async fn main() -> Result<(), std::io::Error> {
     )
     .server(hosted_url);
     let ui = api_service.swagger_ui();
-    let metrics_middleware = MetricsMiddleware::new(&prometheus_registry);
+
     tokio::spawn(async move {
         Server::new(TcpListener::bind(format!("0.0.0.0:{PORT}")))
-            .run(
-                Route::new()
-                    .nest("/", api_service)
-                    .nest("/docs", ui)
-                    .with(metrics_middleware),
-            )
+            .run(Route::new().nest("/", api_service).nest("/docs", ui))
             .await
     });
     Server::new(TcpListener::bind(format!("0.0.0.0:{METRICS_PORT}")))