remove unless use

Signed-off-by: Fabien Crassat <fabien@crassat.com>
Scrutinizer Auto-Fixes

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/fabiencrassat/CurriculumVitaeBundle/inspections/2bbf637f-def4-4f4a-ab09-7aa5a0ea70b8

Enabled analysis tools:
 - PHP Analyzer
 - PHP Mess Detector
 - PHP Code Sniffer
 - Security Advisory Checker
 - PHP PDepend
 - PHP Similarity Analyzer
 - PHP Change Tracking Analyzer
Merge branch 'scrutinizer-patch-1' of https://github.com/nimbusletruand/CurriculumVitaeBundle.git into XMLValidator