Remove a header added by mistake

Change-Id: I5138804540978d6dfd2206d10a32b9d20a756d3d

internal/ceres/cuda_kernels_bsm_to_crs.cu.cc

diff --git a/internal/ceres/cuda_kernels_bsm_to_crs.cu.cc b/internal/ceres/cuda_kernels_bsm_to_crs.cu.cc
index 03abe3b..ee574f0 100644
--- a/internal/ceres/cuda_kernels_bsm_to_crs.cu.cc
+++ b/internal/ceres/cuda_kernels_bsm_to_crs.cu.cc
@@ -34,7 +34,6 @@
 #include <thrust/execution_policy.h>
 #include <thrust/scan.h>
 
-#include "absl/log/log.h"
 #include "ceres/block_structure.h"
 #include "ceres/cuda_kernels_utils.h"