Revert "Merge remote-tracking branch 'upstream/master'"
Revert "Merge remote-tracking branch 'upstream/master'"

This reverts commit 77eae4ed2dee85aa4dbe2ccd3cbfd3ffdae5b4f2, reversing
changes made to 667aac9954cd2433c9aebb4ae4706eafb5c8e17b.

MessageKit/MessageKit,MessageKit/MessageKit,MessageKit/MessageKit