remove BaseRequestsExecutor scope

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/bot/BaseRequestsExecutor.kt

@@ -1,16 +1,8 @@
 package com.github.insanusmokrassar.TelegramBotAPI.bot
 
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.asCoroutineDispatcher
-import java.util.concurrent.Executors
-
 abstract class BaseRequestsExecutor(
     token: String,
     hostUrl: String = "https://api.telegram.org"
 ) : RequestsExecutor {
     protected val baseUrl: String = "$hostUrl/bot$token"
-
-    protected val scope: CoroutineScope = CoroutineScope(
-        Executors.newSingleThreadExecutor().asCoroutineDispatcher()
-    )
 }