Resurrect the Xcode project file

ci_scripts/ci_common.sh

@@ -45,6 +45,4 @@ setup_github_actions_environment() {
 
     bundle config path vendor/bundle
     bundle install --jobs 4 --retry 3
-
-    xcodegen
 }

ci_scripts/ci_post_clone.sh

@@ -8,6 +8,4 @@ install_xcode_cloud_brew_dependencies
 
 if [ "$CI_WORKFLOW" = "Nightly" ]; then
     bundle exec fastlane config_nightly
-else
-    xcodegen
 fi