Fixed deprecations in WebProfiler tests

Author: javiereguiluz

CHANGELOG.md

@@ -53,8 +53,6 @@ CHANGELOG
    `EventDispatcherDebugCommand`, `RouterDebugCommand`, `RouterMatchCommand`,
    `TranslationDebugCommand`, `TranslationUpdateCommand`, `XliffLintCommand`
     and `YamlLintCommand` classes have been marked as final
- * Deprecated the `web_profiler.position` config option (in Symfony 4.0 the toolbar
-   will always be displayed at the bottom).
 
 3.3.0
 -----