Delete unused code

src/main/java/me/goudham/Response.java

@@ -17,7 +17,7 @@ import me.goudham.api.entity.waifu.Waifu;
  *
  */
 public class Response<T> {
-    private T entity;
+    private final T entity;
     private final Integer responseCode;
     private final String responseBody;
 
@@ -27,11 +27,6 @@ public class Response<T> {
         this.entity = entity;
     }
 
-    Response(Integer responseCode, String responseBody) {
-        this.responseCode = responseCode;
-        this.responseBody = responseBody;
-    }
-
     public T getEntity() {
         return entity;
     }