Fix GH-3110: Is ReflectionType::__toString deprecated or not? (#3254)

reference/reflection/reflectiontype/tostring.xml

@@ -6,10 +6,6 @@
   <refpurpose>To string</refpurpose>
  </refnamediv>
 
- <refsynopsisdiv>
-  &warn.deprecated.function-7-1-0;
- </refsynopsisdiv>
-
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis role="ReflectionType">
@@ -44,6 +40,12 @@
      </row>
     </thead>
     <tbody>
+     <row>
+      <entry>8.0.0</entry>
+      <entry>
+       <methodname>ReflectionType::__toString</methodname> has been undeprecated.
+      </entry>
+     </row>
      <row>
       <entry>7.1.0</entry>
       <entry>