172: Revert "EdtTestUtil.runInEdtAndWait fix for proper user action emulation"

This reverts commit 4ebe750d36e86545a72177f91dc3baaa235fa92d.

compiler/tests-common/tests/org/jetbrains/kotlin/test/testFramework/EdtTestUtil.kt.172

@@ -16,7 +16,6 @@
 
 package org.jetbrains.kotlin.test.testFramework
 
-import com.intellij.openapi.application.ApplicationManager
 import org.jetbrains.annotations.TestOnly
 import java.lang.reflect.InvocationTargetException
 import javax.swing.SwingUtilities
@@ -40,11 +39,7 @@ fun runInEdtAndWait(runnable: () -> Unit) {
     }
     else {
         try {
-            val application = ApplicationManager.getApplication()
-            if (application != null)
-                application.invokeAndWait(runnable)
-            else
-                SwingUtilities.invokeAndWait(runnable)
+            SwingUtilities.invokeAndWait(runnable)
         }
         catch (e: InvocationTargetException) {
             throw e.cause ?: e