remove export of ResolverPlugin which no longer exists
remove export of ResolverPlugin which no longer exists

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