XWIKI-18870: Unexpected behavior of XWiki#invokeServletAndReturnAsString

* add a revapi ignore

xwiki-platform-core/pom.xml

@@ -172,6 +172,12 @@
                   <old>method javax.mail.internet.InternetAddress org.xwiki.security.authentication.ResetPasswordRequestResponse::getUserEmail()</old>
                   <justification>Unstable API: this API was not properly designed and shouldn't have returned that in first place.</justification>
                 </item>
+                <item>
+                  <ignore>true</ignore>
+                  <code>java.method.removed</code>
+                  <old>method java.lang.String com.xpn.xwiki.XWiki::invokeServletAndReturnAsString(java.lang.String, com.xpn.xwiki.XWikiContext)</old>
+                  <justification>Not a breackage. Moved to legacy.</justification>
+                </item>
               </differences>
             </revapi.differences>
           </analysisConfiguration>