fix(@angular/cli): Removed md extenstion from generate doc

Author: adampenn

docs/documentation/generate.md

@@ -9,20 +9,19 @@
 g - `ng g [name]`
 
 ## Available Schematics:
- - [class](generate/class.md)
- - [component](generate/component.md)
- - [directive](generate/directive.md)
- - [enum](generate/enum.md)
- - [guard](generate/guard.md)
- - [interface](generate/interface.md)
- - [module](generate/module.md)
- - [pipe](generate/pipe.md)
- - [service](generate/service.md)
-
- - [appShell](generate/app-shell.md)
- - [application](generate/application.md)
- - [library](generate/library.md)
- - [universal](generate/universal.md)
+ - [class](generate/class)
+ - [component](generate/component)
+ - [directive](generate/directive)
+ - [enum](generate/enum)
+ - [guard](generate/guard)
+ - [interface](generate/interface)
+ - [module](generate/module)
+ - [pipe](generate/pipe)
+ - [service](generate/service)
+ - [appShell](generate/app-shell)
+ - [application](generate/application)
+ - [library](generate/library)
+ - [universal](generate/universal)
 
 ## Options
 <details>