Revert "Ajout de FosUserBundle au projet"

This reverts commit 9727fa4e95f8a16dcf937f3b1badd63356e1d427.

Conflicts:
	app/cache/dev/appDevDebugProjectContainer.php
	app/cache/dev/appDevDebugProjectContainer.php.meta
	app/cache/dev/appDevDebugProjectContainer.xml
	app/cache/dev/appDevDebugProjectContainerCompiler.log
	app/logs/dev.log
	nbproject/private/private.xml