Created by: lidanqing-intel

remove unused TransposeINT8MKLDNNOpKernel for higher UT coverage. This TransposeINT8MKLDNNOpKernel only surpport axis with [0, 2, 3, 1]

The funciton coverage has similar problem as in https://github.com/PaddlePaddle/Paddle/issues/15615#issuecomment-474303764

coverage of transpose_mkldnn_op.cc