Remove unused symlink code

.github/workflows/ruby.yml

@@ -1,10 +1,3 @@
-# This workflow uses actions that are not certified by GitHub.
-# They are provided by a third-party and are governed by
-# separate terms of service, privacy policy, and support
-# documentation.
-# This workflow will download a prebuilt Ruby version, install dependencies and run tests with Rake
-# For more information see: https://github.com/marketplace/actions/setup-ruby-jruby-and-truffleruby
-
 name: Ruby
 
 on:
@@ -17,25 +10,21 @@ jobs:
   test-linux:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v5
     - name: Set up Ruby
-      # To automatically get bug fixes and new Ruby versions for ruby/setup-ruby,
-      # (see https://github.com/ruby/setup-ruby#versioning):
       uses: ruby/setup-ruby@v1
-    - name: Install dependencies
-      run: bundle install
+      with:
+        bundler-cache: true
     - name: Run tests
       run: bundle exec rspec
 
   test-mac:
-    runs-on: macos-14
+    runs-on: macos-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v5
     - name: Set up Ruby
-      # To automatically get bug fixes and new Ruby versions for ruby/setup-ruby,
-      # (see https://github.com/ruby/setup-ruby#versioning):
       uses: ruby/setup-ruby@v1
-    - name: Install dependencies
-      run: bundle install
+      with:
+        bundler-cache: true
     - name: Run tests
       run: bundle exec rspec

lib/battlestation.rb

@@ -1,2 +1 @@
 require_relative 'battlestation/cli.rb'
-require_relative 'battlestation/symlink.rb'