Update registerSW.js

dev-dist/registerSW.js

@@ -1 +1,5 @@
-if('serviceWorker' in navigator) navigator.serviceWorker.register('/dev-sw.js?dev-sw', { scope: '/', type: 'classic' })
+if ('serviceWorker' in navigator)
+  navigator.serviceWorker.unregister('/dev-sw.js?dev-sw', {
+    scope: '/',
+    type: 'classic'
+  });