fedora-30-standard: Doctests using system brial crash #29490
Description
Follow-up from #29369: I see crashes in running doctests on fedora-30-standard (https://github.com/mkoeppe/sage/runs/572856797), which uses system brial 1.2.5-1
sage -t src/sage/rings/polynomial/multi_polynomial_sequence.py # Killed due to abort
sage -t src/sage/rings/polynomial/pbori.pyx # Killed due to abort
sage -t src/sage/rings/polynomial/polynomial_ring_constructor.py # Killed due to abort
sage -t src/sage/sat/boolean_polynomials.py # Killed due to abort
sage -t src/sage/sat/solvers/dimacs.py # Killed due to abort
We remove the spkg-configure for Sage 9.1.
A follow up ticket can restore and repair it for 9.2.
CC: @orlitzky @embray @kiwifb @mkoeppe @dimpase @kliem @SnarkBoojum
Component: porting
Author: Matthias Koeppe
Branch: 8679b65
Reviewer: Dima Pasechnik
Issue created by migration from https://trac.sagemath.org/ticket/29490