* Implement optimized kernel for OP-expand_as.

* Support fp16.
Co-authored-by: Timber-Ye <ye_hanqiao@163.com>
Co-authored-by: NBrianQian1999 <brianqianhitsz@gmail.com>

* remove fp16 support

* remove MAX_RANK_SUPPORTED

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Co-authored-by: NBrianQian1999 <brianqianhitsz@gmail.com>