avoid using maxima simplex algo in lattice_polytope

[fchapoton]

currently we are using maxima through pexpect in lattice_plytope

let us instead go through the generic MILP setting

CC: @rwst

Component: geometry

Author: Frédéric Chapoton

Branch/Commit: 0c20221

Reviewer: Matthias Koeppe

Issue created by migration from https://trac.sagemath.org/ticket/20766

[fchapoton]

New commits:

c954f72

avoid using maxima linear programming in lattice polytopes

[fchapoton]

Branch: u/chapoton/20766

[fchapoton]

Commit: c954f72

[sagetrac-git]

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

d3a0a1b

trac 20766 remove try except

[sagetrac-git]

Changed commit from c954f72 to d3a0a1b

[sagetrac-git]

Changed commit from d3a0a1b to b922d16

[sagetrac-git]

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

b922d16

trac 20766 correcting the code

[sagetrac-git]

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

76cc74d

trac 20766 removing maxima imports and specific functions

[sagetrac-git]

Changed commit from b922d16 to 76cc74d

[fchapoton]

comment:5

ok, ready for review