Remove unnecessary headers from circular_buffer.cc

PiperOrigin-RevId: 327877592
Change-Id: Id92ef2dae8c33fdd3cc218382a23126268d5ffd4

tensorflow/lite/micro/kernels/circular_buffer.cc

@@ -17,8 +17,6 @@ limitations under the License.
 #include "tensorflow/lite/c/common.h"
 #include "tensorflow/lite/kernels/internal/compatibility.h"
 #include "tensorflow/lite/kernels/internal/quantization_util.h"
-#include "tensorflow/lite/kernels/internal/reference/integer_ops/add.h"
-#include "tensorflow/lite/kernels/internal/reference/process_broadcast_shapes.h"
 #include "tensorflow/lite/kernels/internal/tensor_ctypes.h"
 #include "tensorflow/lite/kernels/kernel_util.h"
 #include "tensorflow/lite/kernels/op_macros.h"