Remove unused links

doc.zih.tu-dresden.de/docs/application/project_request_form.md

@@ -99,8 +99,3 @@ Please note that 'not yet approved' applications are not visible via this login.
 
     ![open project page][4]
     {: align="center"}
-
-[1]: ./misc/nhr_jards_login1.jpg "Select project type"
-[2]: ./misc/nhr_jards_login2.jpg "Select center"
-[3]: ./misc/nhr_jards_login3.jpg "email and privacy acceptance"
-[4]: ./misc/nhr_project_access1.jpg "open project page"