fix(java-storage): resolve PR comments for delete folder

[Generated-by: AI]

Author: nidhiii-27

java-storage/samples/snippets/src/main/java/com/example/storage/control/v2/DeleteFolderRecursive.java

@@ -21,12 +21,11 @@
 import com.google.storage.control.v2.DeleteFolderRecursiveRequest;
 import com.google.storage.control.v2.FolderName;
 import com.google.storage.control.v2.StorageControlClient;
-import java.util.concurrent.ExecutionException;
 
 public final class DeleteFolderRecursive {
 
   public static void deleteFolderRecursive(String bucketName, String folderName)
-      throws ExecutionException, InterruptedException, Exception {
+      throws Exception {
     // The name of the bucket
     // String bucketName = "your-unique-bucket-name";
 

java-storage/samples/snippets/src/test/java/com/example/storage/control/v2/FoldersTest.java

@@ -88,8 +88,7 @@ public void createFolder() throws IOException {
   @Test
   public void getFolder() throws IOException {
     FolderName folderName = FolderName.of("_", bucket.getName(), UUID.randomUUID().toString());
-    Folder gen1 =
-        storageControl.createFolder(
+    storageControl.createFolder(
             BucketName.of("_", bucket.getName()),
             Folder.getDefaultInstance(),
             folderName.getFolder());
@@ -106,8 +105,7 @@ public void getFolder() throws IOException {
   public void renameFolder()
       throws IOException, ExecutionException, InterruptedException, TimeoutException {
     FolderName srcFolderName = FolderName.of("_", bucket.getName(), UUID.randomUUID().toString());
-    Folder gen1 =
-        storageControl.createFolder(
+    storageControl.createFolder(
             BucketName.of("_", bucket.getName()),
             Folder.getDefaultInstance(),
             srcFolderName.getFolder());
@@ -128,8 +126,7 @@ public void renameFolder()
   @Test
   public void deleteFolder() throws IOException {
     FolderName folderName = FolderName.of("_", bucket.getName(), UUID.randomUUID().toString());
-    Folder gen1 =
-        storageControl.createFolder(
+    storageControl.createFolder(
             BucketName.of("_", bucket.getName()),
             Folder.getDefaultInstance(),
             folderName.getFolder());
@@ -142,8 +139,7 @@ public void deleteFolder() throws IOException {
   @Test
   public void deleteFolderRecursive() throws Exception {
     FolderName folderName = FolderName.of("_", bucket.getName(), UUID.randomUUID().toString());
-    Folder gen1 =
-        storageControl.createFolder(
+    storageControl.createFolder(
             BucketName.of("_", bucket.getName()),
             Folder.getDefaultInstance(),
             folderName.getFolder());
@@ -156,8 +152,7 @@ public void deleteFolderRecursive() throws Exception {
   @Test
   public void listFolder() throws IOException {
     FolderName folderName = FolderName.of("_", bucket.getName(), UUID.randomUUID().toString());
-    Folder gen1 =
-        storageControl.createFolder(
+    storageControl.createFolder(
             BucketName.of("_", bucket.getName()),
             Folder.getDefaultInstance(),
             folderName.getFolder());