Rename GitlabUsagePingWorker to GitlabServicePingWorker and refactor/fix specs
Files to be refactored:
app/workers/gitlab_usage_ping_worker.rb
config/initializers/1_settings.rb
spec/workers/every_sidekiq_worker_spec.rb
spec/workers/gitlab_usage_ping_worker_spec.rb
Edited by Rajendra Kadam