Remove directory cleanup here since it's now in the at_exit in util class

Author: kpaulisse

lib/octocatalog-diff/util/parallel.rb

@@ -159,17 +159,6 @@ def self.run_tasks_parallel(result, task_array, logger)
             # If the process doesn't exist, that's fine.
           end
         end
-
-        retries = 0
-        while File.directory?(ipc_tempdir) && retries < 10
-          retries += 1
-          begin
-            FileUtils.remove_entry_secure ipc_tempdir
-          rescue Errno::ENOTEMPTY, Errno::ENOENT # rubocop:disable Lint/HandleExceptions
-            # Errno::ENOTEMPTY will trigger a retry because the directory exists
-            # Errno::ENOENT will break the loop because the directory won't exist next time it's checked
-          end
-        end
       end
 
       # Utility method! Not intended to be called from outside this class.