Fix includes

examples/main.cpp

@@ -1,26 +1,11 @@
 // Copyright (c) Tribufu. All Rights Reserved.
 
 #include <iostream>
-
 #include <tribufu/client.h>
 
 using namespace tribufu;
 
 int main(int argc, char **argv)
 {
-    auto client = new TribufuClient(0, "client_secret");
-    std::cout << "client_id: " << client->get_client_id() << std::endl;
-
-    json json_obj = {
-        {"nome", "John"},
-        {"idade", 25},
-        {"cidade", "Exemplo"}};
-
-    std::string json_str = json_obj.dump(4);
-
-    std::cout << json_str << std::endl;
-
-    //client->get_token();
-
     return 0;
 }