!8508 fix gpu profiling codex,delet unnecessary blank lines

From: @yanghaitao1
Reviewed-by: @gaocongli_hw,@wangyue01
Signed-off-by: @wangyue01

mindspore/ccsrc/backend/kernel_compiler/gpu/data/dataset_profiling.cc

@@ -25,7 +25,6 @@
 
 namespace mindspore {
 namespace kernel {
-
 GetNextProfiling::GetNextProfiling(const std::string &path) : profiling_path_(path) {}
 
 void GetNextProfiling::GetDeviceId() {