set unused flag to false in uglify-js for uglify-js bug workaround
set unused flag to false in uglify-js for uglify-js bug workaround

transcranial/keras-js,transcranial/keras-js,transcranial/keras-js,qinwf-nuan/keras-js,qinwf-nuan/keras-js,qinwf-nuan/keras-js