Clean up detail sequence header inclusion (#15007)

A small fix avoiding the detail sequence header including itself.

Authors:
  - Yunsong Wang (https://github.com/PointKernel)

Approvers:
  - Bradley Dice (https://github.com/bdice)
  - David Wendt (https://github.com/davidwendt)

URL: #15007

cpp/include/cudf/detail/sequence.hpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2020-2023, NVIDIA CORPORATION.
+ * Copyright (c) 2020-2024, NVIDIA CORPORATION.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,7 +16,6 @@
 
 #pragma once
 
-#include <cudf/detail/sequence.hpp>
 #include <cudf/filling.hpp>
 #include <cudf/types.hpp>
 #include <cudf/utilities/default_stream.hpp>