Update the example in the Readme

Author: Soroosh Sarabadani

README.md

@@ -78,8 +78,7 @@ public class Runner {
 The Controller implements the business logic and describes all the classes needed to handle the CRD.
 
 ```java
-@Controller(customResourceClass = WebServer.class,
-        crdName = "webservers.sample.javaoperatorsdk")
+@Controller(crdName = "webservers.sample.javaoperatorsdk")
 public class WebServerController implements ResourceController<WebServer> {
 
     @Override