Remove unnecessary eslint configuration

Author: karlhorky

lib/run-compilation.js

@@ -40,7 +40,6 @@ module.exports = function runCompilation(options, compiler, done) {
       console.log(chalk.red(err));
     });
 
-  // eslint-disable-next-line no-unused-expressions
   compiler.plugin('compilation', function (compilation) {
     if (warnings.length) {
       compilation.warnings.push(chalk.yellow(options.formatter(warnings)));