remove container files init on project open

Author: Haehnchen

src/main/java/fr/adrienbrault/idea/symfony2plugin/Symfony2ProjectComponent.java

@@ -94,11 +94,6 @@ private static void checkProject(@NotNull Project project) {
             ) {
 
             IdeHelper.notifyEnableMessage(project);
-            return;
-        }
-
-        if(getContainerFiles(project).isEmpty()) {
-            Symfony2ProjectComponent.getLogger().warn("missing at least one container file");
         }
     }