Remove warning for usage of configureLoaderRule

Author: Tofandel

lib/WebpackConfig.js

@@ -1033,8 +1033,6 @@ class WebpackConfig {
      * @param {OptionsCallback<webpack.RuleSetRule>} callback
      */
     configureLoaderRule(name, callback) {
-        logger.warning('Be careful when using Encore.configureLoaderRule(), this is a low-level method that can potentially break Encore and Webpack when not used carefully.');
-
         // Key: alias, Value: existing loader in `this.loaderConfigurationCallbacks`
         const aliases = {
             js: 'javascript',