comment out IE and Safari to test build

Gruntfile.js

@@ -238,18 +238,18 @@ module.exports = function (grunt) {
             'capture-html': false,
             'record-screenshots': false
           },
-          throttled: 2, // sauce lab open source has limited tunnel 
+          throttled: 3,
           browsers: [
             {
               browserName: 'edge',
               platform: 'Windows 10',
               version: '16.16299'
             },
-            {
-              browserName: 'internet explorer',
-              platform: 'Windows 10',
-              version: '11.285'
-            },
+//             {
+//               browserName: 'internet explorer',
+//               platform: 'Windows 10',
+//               version: '11.285'
+//             },
             {
               browserName: 'chrome',
               platform: 'Windows 10',
@@ -260,11 +260,11 @@ module.exports = function (grunt) {
               platform: 'Windows 7',
               version: '66'
             },
-            {
-              browserName: 'safari',
-              platform: 'macOS 10.14',
-              version: '12.0'
-            }
+//             {
+//               browserName: 'safari',
+//               platform: 'macOS 10.14',
+//               version: '12.0'
+//             }
           ]
         }
       }