[Checkins] [zopefoundation/zope.index] 660d9a: Always build manylinux wheels

[Marius Gedminas]

  Branch: refs/heads/modernize-ci
  Home:   https://github.com/zopefoundation/zope.index
  Commit: 660d9a1519d3cdaf3779985610735647cd75f576
      https://github.com/zopefoundation/zope.index/commit/660d9a1519d3cdaf3779985610735647cd75f576
  Author: Marius Gedminas <marius at gedmin.as>
  Date:   2019-11-12 (Tue, 12 Nov 2019)

  Changed paths:
    M .manylinux.sh
    M .travis.yml

  Log Message:
  -----------
  Always build manylinux wheels

This brings our travis configuration in line with the rest of the
packages.  See https://github.com/zopefoundation/meta/issues/11.