SZ 1.4.13.5
remove the pwrType in SZ_compress_args() interface, because of the uselessness of pwrType setting in the new design of point-wise relative error based compression in the later version of SZ.
remove the pwrType in SZ_compress_args() interface, because of the uselessness of pwrType setting in the new design of point-wise relative error based compression in the later version of SZ.