Clear custom initialize-at-build-time lists

(cherry picked from commit 60ddd35)

Author: marcphilipp

platform-tooling-support-tests/projects/graalvm-starter/build.gradle.kts

@@ -35,10 +35,7 @@ tasks.test {
 
 val initializeAtBuildTime = mapOf<String, List<String>>(
 	// These need to be added to native-build-tools
-	"5.14" to listOf(
-		"org.junit.platform.commons.util.DefaultClasspathScanner",
-		"org.junit.platform.launcher.core.HierarchicalOutputDirectoryCreator",
-	),
+	"6.1" to listOf<String>(),
 )
 
 graalvmNative {