Update ios.publish.yml

Signed-off-by: Ammar Ahmed <40239442+ammarahm-ed@users.noreply.github.com>

.github/workflows/ios.publish.yml

@@ -11,13 +11,6 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v2
 
-      - name: Setup Ruby + Cache Gems
-        uses: ruby/setup-ruby@v1
-        with:
-          bundler-cache: true
-          working-directory: apps/mobile/native
-          ruby-version: .ruby-version
-
       - name: Setup Node
         uses: ./.github/actions/setup-node-with-cache