Remove duplicate call to pre_start_httpd_config

'pre_start_httpd_config' is already called from 'start' in the else clause
Bug 1172323 - Only remove unreferenced empty directories from the frontend configuration
Merge pull request #6013 from pravisankar/dev/ravi/bug-1172323

Merged by openshift-bot
Merge pull request #6014 from VojtechVitek/php_restart

Merged by openshift-bot