[Config][FrameworkBundle] Hint to use PHP 8+ or to install Annotations to use attributes/annots

Author: dunglas

composer.json

@@ -56,8 +56,6 @@
     },
     "suggest": {
         "psr/cache-implementation": "For using the mapping cache.",
-        "doctrine/annotations": "For using the annotation mapping. You will also need doctrine/cache.",
-        "doctrine/cache": "For using the default cached annotation reader.",
         "symfony/http-foundation": "",
         "symfony/intl": "",
         "symfony/translation": "For translating validation errors.",