remove extra webpack

webpack.base.js

-
-module.exports = {
-    devtool: 'source-map',
-    module: {
-        loaders: [
-            {test: /\.tsx?$/, loader: "ts-loader"},
-            {test: /\.js$/, loader: "source-map-loader"}
-        ]
-    },
-    resolve: {
-        extensions: [".ts", ".tsx", ".js", '.jsx']
-    },
-    externals: {
-        "jquery": "$",
-        "custom-ol": "ol",
-        "react": "React",
-        "react-dom": "ReactDOM",
-        "jquery-ui": "$"
-    }
-};