removes the Citizen class in src directory.

changes messages printed by the secretary and the president.

src/main/java/com/designpatterns/structural/proxy/Citizen.java

-package com.designpatterns.structural.proxy;
-
-import com.designpatterns.structural.proxy.president.PresidentSecretary;
-
-public class Citizen {
-
-    public static void main(String[] args) {
-        PresidentSecretary presidentSecretary = new PresidentSecretary();
-        presidentSecretary.leaveValidMessageForPresident("Hello president.");
-    }
-}

src/main/java/com/designpatterns/structural/proxy/president/President.java

@@ -22,6 +22,6 @@ public class President {
 
 
     void talkToThePresident(String message){
-        System.out.println("I, the President, have received this message:" + message);
+        System.out.println("President: I have received the message:" + message);
     }
 }

src/main/java/com/designpatterns/structural/proxy/president/PresidentSecretary.java

@@ -13,9 +13,9 @@ public class PresidentSecretary {
         if(!isMessageValid(message))
             throw new RuntimeException("invalid message");
 
-        System.out.println("message is being sent to the President...");
+        System.out.println("Secretary: message is being sent to the President...");
         president.talkToThePresident(message);
-        System.out.println("message is received by the President.");
+        System.out.println("Secretary: message is sent to the President.");
 
     }