docs(quickstart): remove instruction

Author: Foxandxss

public/docs/ts/latest/quickstart.jade

@@ -221,15 +221,10 @@ h1#root-component Step !{step++}: Create a component and add it to your applicat
   Components are the basic building blocks of Angular applications. A component controls a portion
   of the screen—a *view*—through its associated template
 
-  **Create #{_an} #{_appDir} subfolder** off the project root directory:
-
-code-example.
-  mkdir #{_appDir}
-
 a#app-component
 p.
   #[b Create the component file]
-  #[code #[+adjExPath('app/app.component.ts')]] (in this newly created directory) with the following content:
+  #[code #[+adjExPath('app/app.component.ts')]] with the following content:
 
 +makeExample('app/app.component.ts')