minor #1368 Remove warning for usage of configureLoaderRule (Tofandel)

This PR was merged into the main branch.

Discussion
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Remove warning for usage of configureLoaderRule

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no <!-- please update CHANGELOG.md file -->
| Deprecations? | no <!-- please update CHANGELOG.md file -->
| Issues        | Fix #886  <!-- prefix each issue number with "Fix #", no need to create an issue if none exists, explain below instead -->
| License       | MIT

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Commits
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48bafc4 Remove warning for usage of configureLoaderRule

Author: Kocal

Diff for: 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',