Removed unused classes

Using dagger for Retrofit2, OkHttp and Gson

app/src/main/kotlin/com/meloda/fast/api/VKException.kt

@@ -1,15 +1,20 @@
 package com.meloda.fast.api
 
+import org.json.JSONObject
 import java.io.IOException
 
-class VKException(var url: String = "", override var message: String = "", var code: Int) :
-    IOException(message) {
-    var captchaSid: String? = null
-    var captchaImg: String? = null
+class VKException(var url: String = "", var description: String = "", var error: String) :
+    IOException(description) {
+
+    var captcha: Pair<String, String>? = null
     var redirectUri: String? = null
 
+    var validationSid: String? = null
+
+    var json: JSONObject? = null
+
     override fun toString(): String {
-        return "code: $code, message: $message"
+        return "url: $url;\n\nerror: $error; description: $description;"
     }
 
 }