removing proboot option from config

server.ts

@@ -165,7 +165,6 @@ function ngApp(req, res) {
       res.render(DIST_FOLDER + '/index.html', {
         req,
         res,
-        preboot: environment.universal.preboot,
         async: environment.universal.async,
         time: environment.universal.time,
         baseUrl: environment.ui.nameSpace,

src/config/universal-config.interface.ts

@@ -1,7 +1,6 @@
 import { Config } from './config.interface';
 
 export interface UniversalConfig extends Config {
-  preboot: boolean;
   async: boolean;
   time: boolean;
 }

src/environments/environment.common.ts

@@ -121,7 +121,6 @@ export const environment: GlobalConfig = {
   },
   // Angular Universal settings
   universal: {
-    preboot: true,
     async: true,
     time: false
   },

src/environments/mock-environment.ts

@@ -105,7 +105,6 @@ export const environment: Partial<GlobalConfig> = {
   },
   // Angular Universal settings
   universal: {
-    preboot: true,
     async: true,
     time: false
   },

src/main.browser.ts

@@ -45,7 +45,7 @@ function addGoogleAnalytics() {
 }
 
 // support async tag or hmr
-if (hasValue(environment.universal) && environment.universal.preboot === false) {
+if (environment.production === false) {
   bootloader(main);
 } else {
   document.addEventListener('DOMContentLoaded', () => bootloader(main));