Removed clientside_sentry ref in settings.rb

lib/api/v3/settings.rb

@@ -120,7 +120,7 @@ module API
                         :home_page_url, :after_sign_out_path, :sign_in_text, :help_page_text,
                         :shared_runners_enabled, :max_artifacts_size, :max_pages_size, :container_registry_token_expire_delay,
                         :metrics_enabled, :sidekiq_throttling_enabled, :recaptcha_enabled,
-                        :akismet_enabled, :admin_notification_email, :sentry_enabled, :clientside_sentry_enabled,
+                        :akismet_enabled, :admin_notification_email, :sentry_enabled,
                         :repository_storage, :repository_checks_enabled, :koding_enabled, :plantuml_enabled,
                         :version_check_enabled, :email_author_in_body, :html_emails_enabled,
                         :housekeeping_enabled, :terminal_max_session_time