Removing useless counting of the discriminator map during metadata loading
Removing useless counting of the discriminator map during metadata loading

PowerKiKi/doctrine2,deeky666/doctrine2,Majkl578/doctrine2,mikeSimonson/doctrine2,TomasVotruba/doctrine2,Majkl578/doctrine2,TomasVotruba/doctrine2,stof/doctrine2,mikeSimonson/doctrine2,holtkamp/doctrine2,localheinz/doctrine2,lcobucci/doctrine2,localheinz/doctrine2,holtkamp/doctrine2,PowerKiKi/doctrine2,deeky666/doctrine2,stof/doctrine2,aivus/doctrine2,aivus/doctrine2,lcobucci/doctrine2