Remove Elasticsearch from 2.14 release notes

The Elasticsearch implementation is still incomplete and it's not
clear if it will be finished in 2.14.

Change-Id: I5ef2f9a27a283b01cb8dccd29dcc2c71db0e5d8d
diff --git a/releases/2.14.md b/releases/2.14.md
index eae5276..7be5933 100644
--- a/releases/2.14.md
+++ b/releases/2.14.md
@@ -7,7 +7,6 @@
 * Changes can be assigned to specific users
 * HTML emails and new templating framework
 * Support for receiving review comments by email
-* Secondary index with Elastic Search
 * New [Polymer](https://www.polymer-project.org/) based user interface
 * Support for elliptic curve/ed25519 SSH keys
 
@@ -73,8 +72,6 @@
 Gerrit now supports
 [receiving review comments by email](http://gerrit-documentation.storage.googleapis.com/Documentation/2.14/intro-user.html#reply-by-email).
 
-### Secondary Index with Elastic Search
-
 ### REST API
 
 #### Changes
diff --git a/releases/README.md b/releases/README.md
index f2f1717..19d60aa 100644
--- a/releases/README.md
+++ b/releases/README.md
@@ -14,8 +14,6 @@
 
 * HTML emails and new templating framework
 
-* Secondary index with Elastic Search
-
 [Release notes for Gerrit 2.14](/releases/2.14.md)
 
 ## 2.13 {#2.13}