Revert apache log format customisation
Revert apache log format customisation

The Apache log format customisation to just output the application
log line appears to have broken the log shipping from Elastic
Beanstalk to CloudWatch. This commit reverts the previous change so
that we log the application JSON log line alongside the Apache log
line.

ONSdigital/eq-survey-runner,ONSdigital/eq-survey-runner,ONSdigital/eq-survey-runner,ONSdigital/eq-survey-runner