[Updater > Module] Cleanup: Simplify host downloaded by just restarting internally

src/splash/index.js

@@ -207,7 +207,6 @@ const initOld = () => { // "Old" (not v2 / new, win32 only)
 
   const segment = (tracker) => (({ name }) => {
     tracker.record(name, 'Complete');
-    if (name === 'host') moduleUpdater.quitAndInstallUpdates();
   });
 
   on('downloaded-module', segment(downloads));

src/updater/moduleUpdater.js

@@ -85,7 +85,7 @@ exports.init = (endpoint, { releaseChannel, version }) => {
     });
   });
 
-  hostUpdater.on('update-downloaded', () => events.emit('downloaded-module', { name: 'host' }));
+  hostUpdater.on('update-downloaded', hostUpdater.quitAndInstall);
 
   hostUpdater.on('error', () => {
     log('Modules', 'Host error');