Re-allow to use "tagged" in service definitions

Author: dunglas

Loader/XmlFileLoader.php

@@ -502,8 +502,6 @@ private function getArgumentsAsPhp(\DOMElement $node, string $name, string $file
                     }
                     break;
                 case 'tagged':
-                    @trigger_error(sprintf('Type "%s" of tag <%s> in "%s" is deprecated since Symfony 4.4 and will be removed in 5.0, use "tagged_iterator" instead.', $arg->getAttribute('type'), $name, $file), E_USER_DEPRECATED);
-                    // no break
                 case 'tagged_iterator':
                 case 'tagged_locator':
                     $type = $arg->getAttribute('type');

Loader/YamlFileLoader.php

@@ -742,10 +742,6 @@ private function resolveServices($value, string $file, bool $isParameter = false
                 }
             }
             if (\in_array($value->getTag(), ['tagged', 'tagged_iterator', 'tagged_locator'], true)) {
-                if ('tagged' === $value->getTag()) {
-                    @trigger_error('"!tagged" is deprecated since Symfony 4.4 and will be removed in 5.0, use "!tagged_iterator" instead.', E_USER_DEPRECATED);
-                }
-
                 $forLocator = 'tagged_locator' === $value->getTag();
 
                 if (\is_array($argument) && isset($argument['tag']) && $argument['tag']) {

Loader/schema/dic/services/services-1.0.xsd

@@ -265,7 +265,7 @@
       <xsd:enumeration value="constant" />
       <xsd:enumeration value="iterator" />
       <xsd:enumeration value="service_locator" />
-      <!-- "tagged" is deprecated since Symfony 4.4 and will be removed in 5.0, use "tagged_iterator" instead. -->
+      <!-- "tagged" is an alias of "tagged_iterator", using "tagged_iterator" is preferred. -->
       <xsd:enumeration value="tagged" />
       <xsd:enumeration value="tagged_iterator" />
       <xsd:enumeration value="tagged_locator" />