trac #15466: Remove deprecated code from combinat/
A few more deprecations
Merge branch 'u/andrew.mathas/ticket/15466' of trac.sagemath.org:sage into u/tscrim/ticket/15466
Fixed failing doctests for #15466.
Merge branch 'u/tscrim/ticket/15466' of trac.sagemath.org:sage into u/tscrim/ticket/15466

* 'u/tscrim/ticket/15466' of trac.sagemath.org:sage:
  Fixed failing doctests for #15466.
  A few more deprecations
  trac #15466: Remove deprecated code from combinat/

Conflicts:
	src/sage/combinat/skew_tableau.py
trac #15466: Rebase on 6.2.beta3
trac #15466: remove dead import
Trac #15466: Remove deprecated code from combinat/

Removes deprecated code from #12930 #13821 #6136 (4 years old) #13072
#9265 together with #8429 #12469 #6519.

Nathann

URL: http://trac.sagemath.org/15466
Reported by: ncohen
Ticket author(s): Nathann Cohen
Reviewer(s): Andrew Mathas, Travis Scrimshaw