Revert "Updating CHANGELOG for 0.16.0 release."
Revert "Updating CHANGELOG for 0.16.0 release."

This reverts commit a0e9f7ee39c93e9e555325f64dd4b285574a019e.

thinker0/aurora,medallia/aurora,apache/aurora,crashlytics/aurora,medallia/aurora,rdelval/aurora,thinker0/aurora,rdelval/aurora,apache/aurora,apache/aurora,crashlytics/aurora,rdelval/aurora,rdelval/aurora,apache/aurora,medallia/aurora,medallia/aurora,crashlytics/aurora,medallia/aurora,rdelval/aurora,crashlytics/aurora,thinker0/aurora,apache/aurora,thinker0/aurora,apache/aurora,crashlytics/aurora,thinker0/aurora,thinker0/aurora,rdelval/aurora,crashlytics/aurora,medallia/aurora