Elimination of redundant reshape instructions

@masahi

lv172: R.Tensor((1, 1001), dtype=“float16”) = R.reshape(lv171, R.shape([1, 1001])) lv173: R.Tensor((1, 1001), dtype=“float16”) = R.reshape(lv172, R.shape([1, 1001]))

Do we have some transformation pass available to eliminate these type of redundant reshape instructions in relax?