Try giving up brew update in Azure as well

homebrew-cask fetch fails too often. https://dev.azure.com/rubylang/ruby/_build/results?buildId=1917
2019-07-30 21:15:10 +09:00 · 2019-07-30 21:15:10 +09:00 · f3b0ed3f26
commit f3b0ed3f26
parent e25088488b
1 changed files with 1 additions and 1 deletions
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@ -47,7 +47,7 @@ jobs:
      bundler:
        task: test-bundler
  steps:
-  - script: brew update && brew install autoconf bison openssl
+  - script: brew install autoconf bison openssl
    displayName: "Install dependencies"
  - checkout: self
    fetchDepth: 20