Removed not used metric 'dynamo_unprocessed_items_total' (#340)
Removed not used metric 'dynamo_unprocessed_items_total' (#340)

Signed-off-by: Bartek Plotka <40733124e8bedaac646d3fd1c538b5cb2b6856fe@gmail.com>
tomwilkie/cortex,tomwilkie/cortex,tomwilkie/cortex