Revert "add thread dump listener"

This reverts commit 0e96a76.

build.sbt

@@ -477,27 +477,6 @@ def filterDevConfigArtifacts(files: Seq[(File, String)]) = {
   files.filterNot { case (file, _) => devConfigFiles.contains(file.getName) }
 }
 
-ThisBuild / Test / testListeners += new TestReportListener {
-
-  override def testEvent(event: TestEvent): Unit = {
-    event.result.foreach {
-      case TestResult.Failed => {
-        import java.lang.management.ManagementFactory
-
-        println("Test failed! Generating thread dump...")
-        val threadDump = ManagementFactory.getThreadMXBean.dumpAllThreads(true, true)
-        threadDump.foreach { thread =>
-          println(thread.toString)
-        }
-      }
-    }
-  }
-
-  override def startGroup(name: String): Unit                   = ()
-  override def endGroup(name: String, t: Throwable): Unit       = ()
-  override def endGroup(name: String, result: TestResult): Unit = ()
-}
-
 lazy val distribution: Project = sbt
   .Project("dist", file("nussknacker-dist"))
   .settings(commonSettings)