v0.30.0-2

• Use core-js/stable, don't want to pull in too much 8539bc2
• Simplify the default browserlist 526f30d
• Remove out of the box support for react-hot-loader 1aba2e4
• Use compiler stats to correcty compute entrypoints feff8c0

v0.30.0-1...v0.30.0-2