Fix typos and add missing configuration

Author: juffalow

src/index.ts

@@ -26,6 +26,8 @@ async function start(): Promise<void> {
       (services.Trace as any).setDaemonAddress(address);
     }
 
+    services.Trace.captureHTTPRequests();
+
     const app = (await import('./app')).default;
 
     const server = http.createServer(app);

src/services/trace/AWSXRay.ts

@@ -5,8 +5,6 @@ import https from 'https';
 class AWSXRay implements Services.Trace {
   constructor (plugins: string) {
     this.setPlugins(plugins);
-
-    XRay.middleware.disableCentralizedSampling();
   }
 
   public openSegment(defaultName: string) {