Remove old name doc and test references

Author: abnegate

example.php

@@ -445,10 +445,10 @@ function getSSLPage($url) {
 <p>Initialize your SDK code with your project ID, which can be found in your project settings page.
 
 ```kotlin
-import io.appwrite.AppwriteClient
-import io.appwrite.services.AccountService
+import io.appwrite.Client
+import io.appwrite.services.Account
 
-val client = AppwriteClient(context)
+val client = Client(context)
   .setEndpoint(\"https://[HOSTNAME_OR_IP]/v1\") // Your API Endpoint
   .setProject(\"5df5acd0d48c2\") // Your project ID
   .setSelfSigned(true) // Remove in production
@@ -464,7 +464,7 @@ function getSSLPage($url) {
 
 ```kotlin
 // Register User
-val accountService = AccountService(client)
+val accountService = Account(client)
 val user = accountService.create(
     \"[email protected]\", 
     \"password\"
@@ -474,15 +474,15 @@ function getSSLPage($url) {
 ### Full Example
 
 ```kotlin
-import io.appwrite.AppwriteClient
-import io.appwrite.services.AccountService
+import io.appwrite.Client
+import io.appwrite.services.Account
 
-val client = AppwriteClient(context)
+val client = Client(context)
   .setEndpoint(\"https://[HOSTNAME_OR_IP]/v1\") // Your API Endpoint
   .setProject(\"5df5acd0d48c2\") // Your project ID
   .setSelfSigned(true) // Remove in production
 
-val accountService = AccountService(client)
+val accountService = Account(client)
 val user = accountService.create(
     \"[email protected]\", 
     \"password\"

tests/languages/kotlin/ServiceTest.kt

@@ -1,7 +1,7 @@
 package io.appwrite.services
 
 import com.google.gson.Gson
-import io.appwrite.AppwriteClient
+import io.appwrite.Client
 import io.appwrite.Foo
 import io.appwrite.Bar
 import io.appwrite.General
@@ -16,7 +16,7 @@ class ServiceTest {
     @Throws(IOException::class)
     fun test() {
 
-        val client = AppwriteClient()
+        val client = Client()
         val foo = Foo(client)
         val bar = Bar(client)
         val general = General(client)