Remove require_once() in AutoloaderFactory
Remove require_once() in AutoloaderFactory

This dependency was removed by @weierophinney in PR zendframework/zf2#1852, but the
require_once was not removed. Originally the dependency was introduced
by @prolic in PR zendframework/zf2#1807.

Maks3w/zend-loader,zendframework/zend-loader