remove warning for pre-build files
remove warning for pre-build files

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