Removed unnecessary changes outside of scope of the task

Author: Deathnerd

chain/README.md

@@ -135,14 +135,10 @@ public class OrcKing {
 Then it is used as follows
 
 ```java
-public class Main() {
-    public static void main(String[] args) {
-        OrcKing king = new OrcKing();
-        king.makeRequest(new Request(RequestType.DEFEND_CASTLE, "defend castle")); // Orc commander handling request "defend castle"
-        king.makeRequest(new Request(RequestType.TORTURE_PRISONER, "torture prisoner")); // Orc officer handling request "torture prisoner"
-        king.makeRequest(new Request(RequestType.COLLECT_TAX, "collect tax")); // Orc soldier handling request "collect tax"
-    }
-}
+OrcKing king = new OrcKing();
+king.makeRequest(new Request(RequestType.DEFEND_CASTLE, "defend castle")); // Orc commander handling request "defend castle"
+king.makeRequest(new Request(RequestType.TORTURE_PRISONER, "torture prisoner")); // Orc officer handling request "torture prisoner"
+king.makeRequest(new Request(RequestType.COLLECT_TAX, "collect tax")); // Orc soldier handling request "collect tax"
 ```
 
 ## Applicability