feat(admin): implement handler for delete group (#1901)

Signed-off-by: Niraj Yadav <niryadav@redhat.com>
Signed-off-by: heihutu <30542132+heihutu@users.noreply.github.com>
Co-authored-by: heihutu <30542132+heihutu@users.noreply.github.com>
Co-authored-by: yxrxy <yxrxytrigger@gmail.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: 安正超 <anzhengchao@gmail.com>

crates/e2e_test/src/lib.rs

@@ -75,3 +75,7 @@ mod cluster_concurrency_test;
 // PutObject / MultipartUpload with checksum (Content-MD5, x-amz-checksum-*)
 #[cfg(test)]
 mod checksum_upload_test;
+
+// Group deletion tests
+#[cfg(test)]
+mod group_delete_test;