Revert "Issue #2986725 by Mile23, devitate, alexpott: doctrine common 2.9 has moved reflection"

This reverts commit 994e7ec7.

core/composer.json

@@ -32,7 +32,7 @@
         "symfony/polyfill-iconv": "^1.0",
         "symfony/yaml": "~3.4.5",
         "twig/twig": "^1.35.0",
-        "doctrine/common": "^2.5 <2.9",
+        "doctrine/common": "^2.5",
         "doctrine/annotations": "^1.2",
         "guzzlehttp/guzzle": "^6.2.1",
         "symfony-cmf/routing": "^1.4",

core/lib/Drupal/Component/Annotation/composer.json

@@ -6,7 +6,7 @@
   "license": "GPL-2.0-or-later",
   "require": {
     "php": ">=5.5.9",
-    "doctrine/common": "^2.5 <2.9",
+    "doctrine/common": "^2.5",
     "doctrine/annotations": "1.2.*",
     "drupal/core-file-cache": "^8.2",
     "drupal/core-plugin": "^8.2",

core/lib/Drupal/Component/ClassFinder/composer.json

@@ -6,7 +6,7 @@
   "license": "GPL-2.0-or-later",
   "require": {
     "php": ">=5.5.9",
-    "doctrine/common": "^2.5 <2.9"
+    "doctrine/common": "^2.5"
   },
   "autoload": {
     "psr-4": {