Move lattice point methods from Polyhedron_base to Polyhedron_base2

[kliem]

Part of #32651.

We also move _is_subpolyhedron and _richcmp_ to Polyhedron_base1. Although not defined for all convex sets, _richcmp_ is tested by the convex set only.

Component: geometry

Author: Jonathan Kliem

Branch/Commit: 10dd56d

Reviewer: Matthias Koeppe

Issue created by migration from https://trac.sagemath.org/ticket/32876

[mkoeppe]

comment:2

pyflakes complains: src/sage/geometry/polyhedron/base.py:33:1 'itertools' imported but unused

[sagetrac-git]

Changed commit from 7a81ba8 to 10dd56d

[sagetrac-git]

Branch pushed to git repo; I updated commit sha1. New commits:

10dd56d

remove unused import

[mkoeppe]

comment:4

LGTM.

[mkoeppe]

Reviewer: Matthias Koeppe

[kliem]

comment:5

Thank you.

[vbraun]

Changed branch from u/gh-kliem/polyhedron_base2 to 10dd56d