Remove browser test setup that we never used

package.json

@@ -19,7 +19,6 @@
     "lint:js": "eslint . --ext .js,.vue --report-unused-disable-directives --color",
     "start": "node index start",
     "test": "run-p --aggregate-output --continue-on-error lint:* test:{client,server}",
-    "test:browser": "webpack-dev-server --config=webpack.config-browser.js",
     "test:client": "nyc --nycrc-path=test/.nycrc-mochapack mochapack --colors --opts=test/mochapack.opts",
     "test:server": "nyc --nycrc-path=test/.nycrc-mocha mocha --colors",
     "watch": "webpack --watch"
@@ -94,7 +93,6 @@
     "jquery": "3.3.1",
     "mini-css-extract-plugin": "0.5.0",
     "mocha": "6.0.2",
-    "mocha-loader": "2.0.1",
     "mochapack": "1.1.0",
     "moment": "2.24.0",
     "mousetrap": "1.6.3",
@@ -113,7 +111,6 @@
     "vue-template-compiler": "2.6.10",
     "vuedraggable": "2.20.0",
     "webpack": "4.29.6",
-    "webpack-cli": "3.3.0",
-    "webpack-dev-server": "3.2.1"
+    "webpack-cli": "3.3.0"
   }
 }

webpack.config-browser.js

@@ -1,22 +0,0 @@
-"use strict";
-
-const path = require("path");
-const config = require("./webpack.config.js");
-
-config.entry = {
-	"js/bundle.test.js": `mocha-loader!${path.join(__dirname, "test/client/index.js")}`,
-};
-
-// Instrumentation for testing with mocha
-config.module.rules.push({
-	test: /\.js$/,
-	include: path.join(__dirname, "test/client/js/*"),
-	use: "mocha-loader",
-});
-
-// Tell the webserver where to load the HTML reporter file from
-config.devServer = {
-	contentBase: path.join(__dirname, "test/client"),
-};
-
-module.exports = config;