reduce sidetiq frequency

remove minutely() schedule that was very inefficient

config/initializers/sidekiq.rb

@@ -5,6 +5,11 @@ Sidekiq.configure_server do |config|
   Sidetiq::Clock.start!
 end
 
-Sidekiq.configure_client { |config| config.redis = sidekiq_redis }
+Sidetiq.configure do |config|
+  # we only check for new jobs once every 5 seconds
+  # to cut down on cpu cost
+  config.resolution = 5
+end
 
+Sidekiq.configure_client { |config| config.redis = sidekiq_redis }
 Sidekiq.logger.level = Logger::WARN