Updated and remove unused dependencies.

config/webpack.config.dev.js

@@ -3,14 +3,14 @@
 const webpack = require("webpack");
 const merge = require("webpack-merge");
 const FriendlyErrorsPlugin = require("friendly-errors-webpack-plugin");
-const HtmlPlugin = require("html-webpack-plugin");
+const HtmlWebpackPlugin = require("html-webpack-plugin");
 const helpers = require("./helpers");
 const commonConfig = require("./webpack.config.common");
 const environment = require("./env/dev.env");
 
 let webpackConfig = merge(commonConfig(true), {
   mode: "development",
-  devtool: "cheap-module-eval-source-map",
+  devtool: "eval-cheap-module-source-map",
   output: {
     path: helpers.root("dist"),
     publicPath: "/",