resort .cu headers, set clang-format not sort include block and consider .cu as main source file (#43633)

* remove gpudnn suffix & polish cmake

* fix typo

* add softmax log_softmax

* refine rocm

* refine unittest

* support cudnn kernel moving

* polish cmake rules

* add unittest for coverage

* remove orig kernel

* remove softmax cudnn kernel

* fix softmax test failed

* fix npu func error

* resolve conflict

* rename gpu dnn kernels

* fix name rule error

* fix compile error

* update fp16 namespace