webpack 4.x remove console.log solutions

1. only remove the console.log but leave other consoles (recommend ✅)

pure_funcs: ['console.log']

const UglifyJSPlugin = require('uglifyjs-webpack-plugin')
// webpack.config.js
module.exports = {
    // ...
    optimization: {
        minimizer: [
            new UglifyJSPlugin({
                uglifyOptions: {
                    compress: {
                        pure_funcs: [
                            'console.log',
                            // 'console.error',
                            // 'console.warn',
                            // ...
                        ],
                    },
                    //