Removed references to ruby from github actions (GoogleCloudPlatform#12849)

Author: melinath

.github/actions/build-downstream/action.yml

@@ -16,26 +16,6 @@ runs:
         with:
           fetch-depth: 0
 
-      - name: Set up Ruby
-        uses: ruby/setup-ruby@036ef458ddccddb148a2b9fb67e95a22fdbf728b # v1.160.0
-        with:
-          ruby-version: '3.1'
-
-      - name: Cache Bundler gems
-        uses: actions/cache@v3
-        with:
-          path: mmv1/vendor/bundle
-          key: ${{ runner.os }}-gems-${{ hashFiles('mmv1/**/Gemfile.lock') }}
-          restore-keys: |
-            ${{ runner.os }}-gems-
-
-      - name: Install Ruby dependencies
-        shell: bash
-        run: |
-          bundle config path mmv1/vendor/bundle
-          bundle install
-        working-directory: mmv1
-
       - name: Set up Go
         uses: actions/setup-go@v4
         with:

.github/workflows/build-downstream.yml

@@ -25,25 +25,6 @@ jobs:
         with:
           fetch-depth: 0
 
-      - name: Set up Ruby
-        uses: ruby/setup-ruby@036ef458ddccddb148a2b9fb67e95a22fdbf728b # v1.160.0
-        with:
-          ruby-version: '3.1'
-
-      - name: Cache Bundler gems
-        uses: actions/cache@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9 # v4.0.2
-        with:
-          path: mmv1/vendor/bundle
-          key: ${{ runner.os }}-gems-${{ hashFiles('mmv1/**/Gemfile.lock') }}
-          restore-keys: |
-            ${{ runner.os }}-gems-
-
-      - name: Install Ruby dependencies
-        run: |
-          bundle config path mmv1/vendor/bundle
-          bundle install
-        working-directory: mmv1
-
       - name: Set up Go
         uses: actions/setup-go@0c52d547c9bc32b1aa3301fd7a9cb496313a4491 # v5.0.0
         with:

.github/workflows/codeql.yml

@@ -22,7 +22,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        language: [ 'go', 'ruby' ]
+        language: [ 'go' ]
 
     steps:
     - name: Checkout repository