Update Server.scala

Author: lihaoyi

libs/daemon/server/src/mill/server/Server.scala

@@ -497,12 +497,10 @@ object Server {
       processIdFile: os.Path,
       processId: Long,
       running: () => Boolean,
-      exit: String => Unit,
-      log: String => Unit
+      exit: String => Unit
   ): Unit = {
     val processIdStr = processId.toString
 
-    log(s"watching processId file (expected content = $processIdStr): $processIdFile")
     os.write.over(processIdFile, processIdStr, createFolders = true)
 
     val processIdThread = new Thread(