Remove Serverless from GitLab

.rubocop_todo/layout/argument_alignment.yml

.rubocop_todo/lint/missing_cop_enable_directive.yml

.rubocop_todo/rspec/verified_doubles.yml

app/assets/javascripts/pages/projects/serverless/index.js

app/assets/javascripts/serverless/components/area.vue

app/assets/javascripts/serverless/components/empty_state.vue

...ets/javascripts/serverless/components/environment_row.vue

...ts/javascripts/serverless/components/function_details.vue

...assets/javascripts/serverless/components/function_row.vue

app/assets/javascripts/serverless/components/functions.vue

.../javascripts/serverless/components/missing_prometheus.vue

app/assets/javascripts/serverless/components/pod_box.vue

app/assets/javascripts/serverless/components/url.vue

app/assets/javascripts/serverless/constants.js

app/assets/javascripts/serverless/event_hub.js

app/assets/javascripts/serverless/serverless_bundle.js

app/assets/javascripts/serverless/store/actions.js

app/assets/javascripts/serverless/store/getters.js

app/assets/javascripts/serverless/store/index.js

app/assets/javascripts/serverless/store/mutation_types.js