Remove unused internal obsolete method
Remove unused internal obsolete method

StevenJiang2015/AutoFixture,sergeyshushlyapin/AutoFixture,hackle/AutoFixture,dlongest/AutoFixture,adamchester/AutoFixture,yuva2achieve/AutoFixture,olegsych/AutoFixture,AutoFixture/AutoFixture,zvirja/AutoFixture,amarant/AutoFixture,mrinaldi/AutoFixture,amarant/AutoFixture,dlongest/AutoFixture,StevenJiang2015/AutoFixture,yuva2achieve/AutoFixture,sergeyshushlyapin/AutoFixture,adamchester/AutoFixture,sean-gilliam/AutoFixture,sbrockway/AutoFixture,dcastro/AutoFixture,Pvlerick/AutoFixture,hackle/AutoFixture,sbrockway/AutoFixture,mrinaldi/AutoFixture,olegsych/AutoFixture,dcastro/AutoFixture