Remove ktor-network dependency use native socket

src/jvmMain/kotlin/cn/rtast/nmdns/sleep1.jvm.kt

@@ -6,6 +6,6 @@
 
 package cn.rtast.nmdns
 
-actual fun sleep1(time: Int) {
+public actual fun sleep1(time: Int) {
     Thread.sleep(time * 1000L)
 }