chore: removes unused css file

Author: Pixelik

config/ember-try.js

@@ -84,28 +84,28 @@ module.exports = async function () {
         name: 'ember-release',
         npm: {
           devDependencies: {
-            'ember-source': await getChannelURL('release')
-          }
+            'ember-source': await getChannelURL('release'),
+          },
         },
-        allowedToFail: true
+        allowedToFail: true,
       },
       {
         name: 'ember-beta',
         npm: {
           devDependencies: {
-            'ember-source': await getChannelURL('beta')
-          }
+            'ember-source': await getChannelURL('beta'),
+          },
         },
-        allowedToFail: true
+        allowedToFail: true,
       },
       {
         name: 'ember-canary',
         npm: {
           devDependencies: {
-            'ember-source': await getChannelURL('canary')
-          }
+            'ember-source': await getChannelURL('canary'),
+          },
         },
-        allowedToFail: true
+        allowedToFail: true,
       },
       {
         name: 'ember-default',