Simplify

mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/network/QQAndroidBotNetworkHandler.kt

@@ -36,8 +36,7 @@ internal class QQAndroidBotNetworkHandler(bot: QQAndroidBot) : BotNetworkHandler
         println("SessionTicketKey=${bot.client.wLoginSigInfo.wtSessionTicketKey.toUHexString()}")
     }
 
-    internal fun launchPacketProcessor(rawInput: ByteReadPacket): Job {
-        return launch(CoroutineName("Incoming Packet handler")) {
+    internal fun launchPacketProcessor(rawInput: ByteReadPacket): Job = launch(CoroutineName("Incoming Packet handler")) {
         rawInput.debugPrint("Received").use { input ->
             if (input.remaining == 0L) {
                 bot.logger.error("Empty packet received. Consider if bad packet was sent.")
@@ -55,7 +54,6 @@ internal class QQAndroidBotNetworkHandler(bot: QQAndroidBot) : BotNetworkHandler
             }
         }
     }
-    }
 
     private suspend fun processReceive() {
         while (channel.isOpen) {