fix dhparam generation

it cannot be created in default config creation time since it is
already run pre-VM snapshot time

src/reverseproxy.js

@@ -490,7 +490,7 @@ async function writeAppNginxConfig(app, fqdn, bundle) {
         hasIPv6: sysinfo.hasIPv6(),
         ip: app.containerIp,
         port: app.manifest.httpPort,
-        endpoint: endpoint,
+        endpoint,
         certFilePath: bundle.certFilePath,
         keyFilePath: bundle.keyFilePath,
         robotsTxtQuoted,
@@ -767,13 +767,6 @@ async function writeDefaultConfig(options) {
         }
     }
 
-    if (!fs.existsSync(paths.DHPARAMS_FILE)) {
-        debug('writeDefaultConfig: generating dhparams');
-        const dhparams = safe.child_process.execSync('openssl dhparam -dsaparam 2048');
-        if (!dhparams) throw new BoxError(BoxError.OPENSSL_ERROR, safe.error);
-        if (!safe.fs.writeFileSync(paths.DHPARAMS_FILE, dhparams)) throw new BoxError(BoxError.FS_ERROR, `Could not save dhparams.pem: ${safe.error.message}`);
-    }
-
     const data = {
         sourceDir: path.resolve(__dirname, '..'),
         vhost: '',