CI: stop updating RubyGems since it's not needed

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 685aa13f105979d892ef80cf0892885b23d630f9..d87b1e1226e92a47a5f44f369d8d5422fc897bb7 100644 (file)
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -50,9 +50,6 @@ jobs:
       - name: Set up Bundler
         run: gem install bundler -v "~> 1.17"
 
-      - name: Update rubygems
-        run: gem update --system
-
       - run: ruby --version
       - run: gem --version
       - run: bundle --version