Revert "Merge branch 'sh-sidekiq-backtrace' into 'master'"

This reverts merge request !13813

app/workers/concerns/exception_backtrace.rb

-# Concern for enabling a few lines of exception backtraces in Sidekiq
-module BuildQueue
-  extend ActiveSupport::Concern
-
-  included do
-    sidekiq_options backtrace: 5
-  end
-end

app/workers/group_destroy_worker.rb

 class GroupDestroyWorker
   include Sidekiq::Worker
   include DedicatedSidekiqQueue
-  include ExceptionBacktrace
 
   def perform(group_id, user_id)
     begin

app/workers/namespaceless_project_destroy_worker.rb

@@ -7,7 +7,6 @@
 class NamespacelessProjectDestroyWorker
   include Sidekiq::Worker
   include DedicatedSidekiqQueue
-  include ExceptionBacktrace
 
   def self.bulk_perform_async(args_list)
     Sidekiq::Client.push_bulk('class' => self, 'queue' => sidekiq_options['queue'], 'args' => args_list)

app/workers/project_destroy_worker.rb

 class ProjectDestroyWorker
   include Sidekiq::Worker
   include DedicatedSidekiqQueue
-  include ExceptionBacktrace
 
   def perform(project_id, user_id, params)
     project = Project.find(project_id)

app/workers/project_export_worker.rb

 class ProjectExportWorker
   include Sidekiq::Worker
   include DedicatedSidekiqQueue
-  include ExceptionBacktrace
 
   sidekiq_options retry: 3
 

app/workers/repository_import_worker.rb

@@ -3,7 +3,6 @@ class RepositoryImportWorker
 
   include Sidekiq::Worker
   include DedicatedSidekiqQueue
-  include ExceptionBacktrace
 
   sidekiq_options status_expiration: StuckImportJobsWorker::IMPORT_JOBS_EXPIRATION