remove store screenshot part

e2e/screenshot.ts

@@ -34,7 +34,7 @@ export class Screenshot {
   constructor(id: string) {
     console.log(`constructor with input ${id}`);
     this.id   = `${jasmine.getEnv().currentSpec} ${id}`;
-    browser.takeScreenshot().then(png => this.storeScreenshot(png));
+    browser.takeScreenshot();//.then(png => this.storeScreenshot(png));
     console.log(`constructor ${id} is called`);
   }