Update references to former tracking.js file

This file was removed on
https://gitlab.com/gitlab-org/gitlab/-/issues/323663

doc/development/snowplow/index.md

@@ -549,13 +549,13 @@ Snowplow Micro is a Docker-based solution for testing frontend and backend event
    update application_settings set snowplow_collector_hostname='localhost:9090', snowplow_enabled=true, snowplow_cookie_domain='.gitlab.com';
    ```
 
-1. Update `DEFAULT_SNOWPLOW_OPTIONS` in `app/assets/javascripts/tracking.js` to remove `forceSecureTracker: true`:
+1. Update `DEFAULT_SNOWPLOW_OPTIONS` in `app/assets/javascripts/tracking/index.js` to remove `forceSecureTracker: true`:
 
    ```diff
-   diff --git a/app/assets/javascripts/tracking.js b/app/assets/javascripts/tracking.js
+   diff --git a/app/assets/javascripts/tracking/index.js b/app/assets/javascripts/tracking/index.js
    index 0a1211d0a76..3b98c8f28f2 100644
-   --- a/app/assets/javascripts/tracking.js
-   +++ b/app/assets/javascripts/tracking.js
+   --- a/app/assets/javascripts/tracking/index.js
+   +++ b/app/assets/javascripts/tracking/index.js
    @@ -7,7 +7,6 @@ const DEFAULT_SNOWPLOW_OPTIONS = {
       appId: '',
       userFingerprint: false,

spec/tooling/danger/project_helper_spec.rb

@@ -183,7 +183,7 @@ RSpec.describe Tooling::Danger::ProjectHelper do
       'lib/generators/rails/usage_metric_definition_generator.rb' | [:backend, :product_intelligence]
       'spec/lib/generators/usage_metric_definition_generator_spec.rb' | [:backend, :product_intelligence]
       'config/metrics/schema.json' | [:product_intelligence]
-      'app/assets/javascripts/tracking.js' | [:frontend, :product_intelligence]
+      'app/assets/javascripts/tracking/index.js' | [:frontend, :product_intelligence]
       'spec/frontend/tracking_spec.js' | [:frontend, :product_intelligence]
       'lib/gitlab/usage_database/foo.rb' | [:backend]
     end

tooling/danger/product_intelligence.rb

@@ -14,7 +14,7 @@ module Tooling
         'spec/lib/gitlab/tracking_spec.rb',
         'app/helpers/tracking_helper.rb',
         'spec/helpers/tracking_helper_spec.rb',
-        'app/assets/javascripts/tracking.js',
+        'app/assets/javascripts/tracking/index.js',
         'spec/frontend/tracking_spec.js',
         'generator_templates/usage_metric_definition/metric_definition.yml',
         'lib/generators/gitlab/usage_metric/usage_metric_generator.rb',