remove references to 2.4 versions (still accessible under archives)
diff --git a/site/src/site/sitemap-dev.groovy b/site/src/site/sitemap-dev.groovy
index 00e4bee..0fde65b 100644
--- a/site/src/site/sitemap-dev.groovy
+++ b/site/src/site/sitemap-dev.groovy
@@ -123,25 +123,12 @@
             a(href: "${userSiteBase}releasenotes/groovy-2.5.html", 'Groovy 2.5')
             yield ' is an earlier '
             a(href: 'versioning.html', 'version')
-            yield ' of Groovy still in use.'
+            yield ' of Groovy still in widespread use.'
+            yield ' We encourage users to upgrade from this version as we no longer support this version actively.'
         }
         version('2.5.23') {
             stable true
             windowsInstaller 'https://groovy.jfrog.io/artifactory/dist-release-local/groovy-windows-installer/groovy-2.5.23/'
         }
     }
-    distribution('Groovy 2.4') {
-        description {
-            a(href: "${userSiteBase}releasenotes/groovy-2.4.html", 'Groovy 2.4')
-            yield ' is an earlier '
-            a(href: 'versioning.html', 'version')
-            yield ' of Groovy still in widespread use.'
-            yield ' We encourage users to upgrade from this version as we no longer support this version actively.'
-            yieldUnescaped ''' Important: Releases before 2.4.4 weren't done under the Apache Software Foundation and are provided as a convenience, without any warranty.'''
-        }
-        version('2.4.21') {
-            stable true
-            windowsInstaller 'https://groovy.jfrog.io/artifactory/dist-release-local/groovy-windows-installer/groovy-2.4.21/'
-        }
-    }
 }