Revert "Merge branch 'improve-php-logs' into 'master'"

This reverts merge request !203 (merged)

chart/drupalsite-operator/runtime-config/qos-critical/php-fpm.conf

@@ -66,9 +66,9 @@ catch_workers_output = yes
 php_admin_value[error_log] = /var/log/fpm-php.www.log
 php_admin_flag[log_errors] = on
 access.log = /dev/null
-error_log_format = "[%{cu}t] [%{severity}] %{message}"
 pm.status_path = /_site/_php-fpm-status
 php_admin_value[memory_limit] = 2900M
 
 [global]
 daemonize = no
+