Revert "Give up brew update on Travis"

This reverts commit e05f397f08e98fb170e3aca885d6028b344e833c.
Failed... https://travis-ci.org/ruby/ruby/jobs/566961111

We should talk to Travis people instead...
This commit is contained in:
Takashi Kokubun 2019-08-02 23:01:54 +09:00
parent a1727e43af
commit 247b06d400
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@ -46,8 +46,7 @@ addons:
- valgrind
- zlib1g-dev
homebrew:
# `update: true` is disabled because `brew update` hangs often
# update: true
update: true
packages:
- gdbm
- gmp