Remove bug 63444 RELEASE-NOTES-1.24 duplicate of RELEASE-NOTES-1.23

Change 1efdda25ee5cba added a fix for bug 63444 to core for 1.24, but this
was then backported to the pre-release 1.23 in d12a1b9c023fd.

Change-Id: I886b44bd7add6036140e8848e2a0e71b00ba0c7d