Remove redundant code
Remove redundant code

This code is the same logic present in "case 'allow_empty'" when loop cycle match

zendframework/zend-inputfilter,Blinden/zend-inputfilter,zf2timo/zend-inputfilter,akomm/zend-inputfilter,Maks3w/zend-inputfilter,stefanotorresi/zend-inputfilter,MadCat34/zend-inputfilter