Merge pull request #187 from edx/ned/remove-obsolete-changelogs

These CHANGELOGS were never used, and are now obsolete.

cms/CHANGELOG.md

-Instructions
-============
-For each pull request, add one or more lines to the bottom of the change list. When
-code is released to production, change the `Upcoming` entry to todays date, and add
-a new block at the bottom of the file.
-
-    Upcoming
-    --------
-
-Change log entries should be targeted at end users. A good place to start is the
-user story that instigated the pull request.
-
-
-Changes
-=======
-
-Upcoming
---------
-* Fix: Deleting last component in a unit does not work
-* Fix: Unit name is editable when a unit is public
-* Fix: Visual feedback inconsistent when saving a unit name change

lms/CHANGELOG.md

-Instructions
-============
-For each pull request, add one or more lines to the bottom of the change list. When
-code is released to production, change the `Upcoming` entry to todays date, and add
-a new block at the bottom of the file.
-
-    Upcoming
-    --------
-
-Change log entries should be targeted at end users. A good place to start is the
-user story that instigated the pull request.
-
-Changes
-=======
-
-Upcoming
---------
-* Created changelog
\ No newline at end of file