[ci skip] fix bad merge of CHANGES blurb

Author: bdbaddog

CHANGES.txt

@@ -102,9 +102,6 @@ RELEASE  VERSION/DATE TO BE FILLED IN LATER
     - AddOption and the internal add_local_option which AddOption calls now
       recognize a "settable" keyword argument to indicate a project-added
       option can also be modified using SetOption. Fixes #3983.
-      SCons.Environment to SCons.Util to avoid the chance of import loops.
-      Variables and Environment both use the routine and Environment() uses
-      a Variables() object so better to move to a safer location.
     - ListVariable now has a separate validator, with the functionality
       that was previously part of the converter. The main effect is to
       allow a developer to supply a custom validator, which previously