fixing code (SensioLabs Insights)

Author: Mauro Cassani

Diff for: app/bootstrap.php

@@ -18,5 +18,4 @@
     return $config;
 } catch (ParseException $e) {
     printf('Unable to parse the YAML string: %s', $e->getMessage());
-    die();
 }

Diff for: docker-compose.yml

@@ -15,4 +15,4 @@ services:
 
   memcached:
     image: memcached
-    restart: always
+    restart: always

Diff for: src/Command/FlushCommand.php

@@ -10,7 +10,6 @@
 
 namespace InMemoryList\Command;
 
-use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Output\OutputInterface;