chore(webpackConfig): remove vestigial code

Author: nklayman

lib/webpackConfig.js

@@ -42,18 +42,6 @@ async function chainWebpack (api, pluginOptions, config) {
         args[0].__static = JSON.stringify(api.resolve('./public'))
         return args
       })
-      const pkg = require(api.resolve('package.json'))
-      const semver = require('semver')
-      const electronVersion = { ...pkg.devDependencies, ...pkg.dependencies }
-        .electron
-      // Prefetch requests fail on Electron versions greater than 7
-      // https://github.com/nklayman/vue-cli-plugin-electron-builder/issues/546
-      if (
-        /^\^?(\d|\.)*$/.test(electronVersion) &&
-        semver.gte(electronVersion.replace('^', ''), '7.0.0')
-      ) {
-        config.plugins.delete('prefetch')
-      }
     }
     // Apply user config
     rendererProcessChain(config)