Remove unused parameter in Fetch/bulk_requeue API

lib/sidekiq/capsule.rb

@@ -4,10 +4,10 @@ module Sidekiq
   # A Sidekiq::Capsule is the set of resources necessary to
   # process one or more queues with a given concurrency.
   # One "default" Capsule is started but the user may declare additional
-  # Capsules in the initializer.
+  # Capsules in their initializer.
   #
-  # To process a "single" queue with one thread so jobs are processed
-  # serially, you can do this:
+  # This capsule will pull jobs from the "single" queue and process
+  # the jobs with one thread, meaning the jobs will be processed serially.
   #
   # Sidekiq.configure_server do |config|
   #   config.capsule("single-threaded") do |cap|
@@ -38,7 +38,7 @@ module Sidekiq
     end
 
     def stop
-      fetcher&.bulk_requeue([], nil)
+      fetcher&.bulk_requeue([])
     end
 
     def queues=(val)

lib/sidekiq/fetch.rb

@@ -50,7 +50,7 @@ module Sidekiq # :nodoc:
       UnitOfWork.new(queue, job, config) if queue
     end
 
-    def bulk_requeue(inprogress, _)
+    def bulk_requeue(inprogress)
       return if inprogress.empty?
 
       logger.debug { "Re-queueing terminated jobs" }

lib/sidekiq/manager.rb

@@ -104,7 +104,7 @@ module Sidekiq
         # contract says that jobs are run AT LEAST once. Process termination
         # is delayed until we're certain the jobs are back in Redis because
         # it is worse to lose a job than to run it twice.
-        capsule.fetcher.bulk_requeue(jobs, nil)
+        capsule.fetcher.bulk_requeue(jobs)
       end
 
       cleanup.each do |processor|

test/fetch.rb

@@ -53,7 +53,7 @@ describe Sidekiq::BasicFetch do
     assert_equal 0, q1.size
     assert_equal 0, q2.size
 
-    fetch.bulk_requeue(works, nil)
+    fetch.bulk_requeue(works)
     assert_equal 2, q1.size
     assert_equal 1, q2.size
   end