Remove Trailing Whitespace in Changelog
Remove Trailing Whitespace in Changelog

Summary: In D25584424 (V1), Sandcastle complained about trailing whitespace. This diff removes the adde description if none can be retrieved

Reviewed By: nikoant

Differential Revision: D25608443

fbshipit-source-id: a798bb0c40afaaafd55c90c70177f7c2af79af34

facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper