Fix lint errors

bench/index.js

@@ -26,14 +26,14 @@ options.forEach(options => {
 
 	const vain = new Vain(options);
 
-  if (!isCI) {
-    vain.on('update', data => {
-      const duration = prettyMs(data.duration);
-      const {attempts} = data;
-      const speed = `${data.addressesPerSecond} addr/s`;
-      console.log(`Duration: ${duration} | Attempts: ${attempts} | Speed: ${speed}`);
-    });
-  }
+	if (!isCI) {
+		vain.on('update', data => {
+			const duration = prettyMs(data.duration);
+			const {attempts} = data;
+			const speed = `${data.addressesPerSecond} addr/s`;
+			console.log(`Duration: ${duration} | Attempts: ${attempts} | Speed: ${speed}`);
+		});
+	}
 
 	vain.on('found', data => {
 		console.log();