Remove all direct uploads (#2402)

app/views/admin/application/featured_image/_edit.html.erb

app/views/admin/application/shared_image/_edit.html.erb

app/views/admin/communication/extranets/_form.html.erb

app/views/admin/communication/websites/edit.html.erb

app/views/admin/education/schools/_form.html.erb

app/views/admin/profile/edit.html.erb

app/views/admin/university/organizations/_form.html.erb

app/views/admin/university/people/_form.html.erb

app/views/admin/users/_form.html.erb

app/views/devise/registrations/new.html.erb

app/views/extranet/account/edit.html.erb

app/views/extranet/organizations/_form.html.erb

app/views/server/universities/_form.html.erb