message: remove es3check
diff: @@ -2,7 +2,7 @@ import nodeResolve from "rollup-plugin-node-resolve";
  import {uglify} from "rollup-plugin-uglify";
  import replace from "rollup-plugin-replace";
  import commonjs from "rollup-plugin-commonjs";
  -import { es3Poly, es3Check, importCheck } from "@microsoft/applicationinsights-rollup-es3";
  +import { es3Poly, importCheck } from "@microsoft/applicationinsights-rollup-es3";
  const version = require("./package.json").version;
  const outputName = "applicationinsights-react-js";
  @@ -55,8 +55,7 @@ const browserRollupConfigFactory = isProduction => {
  "node_modules/react-dom/index.js": ["render"]
  }
  }),
  - es3Poly(),
  - es3Check()
  + es3Poly()
  ]
  };
  @@ -109,8 +108,7 @@ const nodeUmdRollupConfigFactory = (isProduction) => {
  "node_modules/react-dom/index.js": ["render"]
  }
  }),
  - es3Poly(),
  - es3Check()
  + es3Poly()
  ]
  };
  