no longer need to turn off typeofs to make map-box-gl work in IE10

Author: archmoj

tasks/util/constants.js

@@ -99,15 +99,6 @@ module.exports = {
     uglifyOptions: {
         ecma: 5,
         mangle: true,
-        compress: {
-            // see full list of compress option
-            // https://github.com/fabiosantoscode/terser#compress-options
-            //
-            // need to turn off 'typeofs' to make mapbox-gl work in
-            // minified bundles, for more info see:
-            // https://github.com/plotly/plotly.js/issues/2787
-            typeofs: false
-        },
         output: {
             beautify: false,
             ascii_only: true