Do not report an error if the splunk sink can't HTTP POST (#557)
Do not report an error if the splunk sink can't HTTP POST (#557)

The metric is more useful, and the sheer volume of these errors (which
cluster together) tends to cause problems with log ingestion / any
error collector. Let's not do that.
gphat/veneur,stripe/veneur,stripe/veneur,evanj/veneur,evanj/veneur,gphat/veneur,gphat/veneur,evanj/veneur