Remove deleted repositories from Zoekt

.gitlab/ci/global.gitlab-ci.yml

config/sidekiq_queues.yml

ee/app/models/concerns/elastic/projects_search.rb

ee/app/models/zoekt/shard.rb

ee/app/workers/all_queues.yml

ee/app/workers/search/zoekt/delete_project_worker.rb

ee/lib/gitlab/search/zoekt/client.rb

ee/spec/lib/gitlab/search/zoekt/client_spec.rb

ee/spec/models/concerns/elastic/projects_search_spec.rb

ee/spec/models/zoekt/shard_spec.rb

ee/spec/workers/search/zoekt/delete_project_worker_spec.rb