remove unneeded extension adding in the newrelic.ini
remove unneeded extension adding in the newrelic.ini

pagodabox/nanobox-engine-php,pagodabox/nanobox-engine-php,nanobox-io/nanobox-engine-php,nanobox-io/nanobox-engine-php,nanobox-io/nanobox-engine-php,pagodabox/nanobox-engine-php