Use Path.deleteRecursively() in the Path.cleanupRecursively() test util

libraries/stdlib/jdk7/test/AbstractPathTest.kt

@@ -5,13 +5,11 @@
 
 package kotlin.jdk7.test
 
-import java.io.IOException
-import java.nio.file.*
-import java.nio.file.attribute.BasicFileAttributes
+import java.nio.file.Path
 import kotlin.io.path.createSymbolicLinkPointingTo
 import kotlin.io.path.deleteIfExists
-import kotlin.io.path.exists
-import kotlin.test.*
+import kotlin.io.path.deleteRecursively
+import kotlin.test.AfterTest
 
 abstract class AbstractPathTest {
     private val cleanUpActions = mutableListOf<Pair<Path, (Path) -> Unit>>()
@@ -22,24 +20,10 @@ abstract class AbstractPathTest {
     }
 
     fun Path.cleanupRecursively(): Path {
-        cleanUpActions.add(this to {
-            if (it.exists(LinkOption.NOFOLLOW_LINKS)) Files.walkFileTree(it, cleanupVisitor)
-        })
+        cleanUpActions.add(this to { it.deleteRecursively() })
         return this
     }
 
-    private val cleanupVisitor = object : SimpleFileVisitor<Path>() {
-        override fun visitFile(file: Path, attrs: BasicFileAttributes): FileVisitResult {
-            file.deleteIfExists()
-            return super.visitFile(file, attrs)
-        }
-
-        override fun postVisitDirectory(dir: Path, exc: IOException?): FileVisitResult {
-            dir.deleteIfExists()
-            return super.postVisitDirectory(dir, exc)
-        }
-    }
-
     @AfterTest
     fun cleanUp() {
         for ((path, action) in cleanUpActions) {