Specify --output-dir via cronjob instead of in the config file
Specify --output-dir via cronjob instead of in the config file

Prior to this commit, we specified the output-dir in the config
file for each metric.

After this commit, we specify the output-dir via CLI argument and
remove it from the config file by default.

npwalker/pe_metric_curl_cron_jobs,npwalker/pe_metric_curl_cron_jobs