[DOCS] Remove tag 6.8.20 release notes (#79113)

Adam Locke · web-flow · commit b2e2a1ad5253 · 2021-10-14T09:32:46.000-05:00
diff --git a/docs/reference/release-notes/6.8.asciidoc b/docs/reference/release-notes/6.8.asciidoc
@@ -1,8 +1,6 @@
 [[release-notes-6.8.20]]
 == {es} version 6.8.20
 
-coming::[6.8.20]
-
 No significant changes.
 
 [[release-notes-6.8.19]]
