Skip permission setup

Author: soutaro

.github/workflows/ruby.yml

@@ -44,8 +44,6 @@ jobs:
           bundler: none
       - name: Set working directory as safe
         run: git config --global --add safe.directory $(pwd)
-      - name: Set up permission
-        run: chmod -R o-w /opt/hostedtoolcache/Ruby
       - name: Install dependencies
         run: |
           sudo apt-get update
@@ -90,8 +88,6 @@ jobs:
           bundler-cache: none
       - name: Set working directory as safe
         run: git config --global --add safe.directory $(pwd)
-      - name: Set up permission
-        run: chmod -R o-w /opt/hostedtoolcache/Ruby
       - name: Install dependencies
         run: |
           sudo apt-get update

.github/workflows/typecheck.yml

@@ -20,8 +20,6 @@ jobs:
           bundler: none
       - name: Set working directory as safe
         run: git config --global --add safe.directory $(pwd)
-      - name: Set up permission
-        run: chmod -R o-w /opt/hostedtoolcache/Ruby
       - name: Install dependencies
         run: |
           sudo apt-get update