13b303ff92 added the actual enums but
didn't remove the already existing XXXX ones. (And also duplicated
the "fragment" names instead of using the "vertex" names.)
Fixes: 13b303ff92 "docs: Update the list of used MESA GL enums."
Reviewed-by: Eric Engestrom <eric.engestrom@imgtec.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
(cherry picked from commit dd38a4ee0d)
