Revert "docs(changelog): changelog for v2.10 release"

This reverts commit 0abbfab320344d4f2110e95d64863a3e82a51ec9.

Reason for revert: Changelog was based on rc0 tag but we got few more patches after that which were not captured.

Change-Id: I9829f2b6dc09f0bd5c538845cbae051f6e4c8a75
diff --git a/tools/conventional-changelog-tf-a/package.json b/tools/conventional-changelog-tf-a/package.json
index d0efab8..116b28b 100644
--- a/tools/conventional-changelog-tf-a/package.json
+++ b/tools/conventional-changelog-tf-a/package.json
@@ -1,6 +1,6 @@
 {
   "name": "conventional-changelog-tf-a",
-  "version": "2.10.0",
+  "version": "2.9.0",
   "license": "BSD-3-Clause",
   "private": true,
   "main": "index.js",