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
8 files changed