reverted new algorithm for removing modules from parent chunks
reverted new algorithm for removing modules from parent chunks

cesarandreu/webpack,ts-webpack/webpack,NekR/webpack,pugnascotia/webpack,g0ddish/webpack,rlugojr/webpack,ts-webpack/webpack,nkzawa/webpack,cesarandreu/webpack,halfzebra/webpack,jescalan/webpack,webpack/webpack,g0ddish/webpack,g0ddish/webpack,cesarandreu/webpack,nkzawa/webpack,webpack/webpack,jamestautges/webpack,ts-webpack/webpack,SimenB/webpack,ts-webpack/webpack,sdawson/webpack,nkzawa/webpack,jamestautges/webpack,halfzebra/webpack,rlugojr/webpack,NekR/webpack,EliteScientist/webpack,SimenB/webpack,SimenB/webpack,webpack/webpack,sdawson/webpack,EliteScientist/webpack,pugnascotia/webpack,SimenB/webpack,webpack/webpack,jescalan/webpack,rlugojr/webpack,pugnascotia/webpack,jescalan/webpack,halfzebra/webpack