remove future versions

CHANGELOG.asciidoc

@@ -1,30 +1,11 @@
 // tag::list[]
-* <<release-notes-8.12>>
-* <<release-notes-8.11>>
-* <<release-notes-8.10>>
-* <<release-notes-8.9>>
-* <<release-notes-8.8>>
-* <<release-notes-8.7>>
-* <<release-notes-8.6>>
-* <<release-notes-8.5>>
-* <<release-notes-8.4>>
 * <<release-notes-8.3>>
 * <<release-notes-8.2>>
 * <<release-notes-8.1>>
 * <<release-notes-8.0>>
 // end::list[]
 
 // tag::includes[]
-include::./changelogs/head.asciidoc[]
-include::./changelogs/8.12.asciidoc[]
-include::./changelogs/8.11.asciidoc[]
-include::./changelogs/8.10.asciidoc[]
-include::./changelogs/8.9.asciidoc[]
-include::./changelogs/8.8.asciidoc[]
-include::./changelogs/8.7.asciidoc[]
-include::./changelogs/8.6.asciidoc[]
-include::./changelogs/8.5.asciidoc[]
-include::./changelogs/8.4.asciidoc[]
 include::./changelogs/8.3.asciidoc[]
 include::./changelogs/8.2.asciidoc[]
 include::./changelogs/8.1.asciidoc[]