bpo-30722: Fix NEWS entries (pythonGH-8501)

(cherry picked from commit 612dbef)

Co-authored-by: Berker Peksag <berker.peksag@gmail.com>

Author: berkerpeksag

Misc/NEWS.d/3.6.4rc1.rst

@@ -1100,9 +1100,6 @@ for code and tests by Guilherme Polo and Cheryl Sabella, respectively.
 
 Make redemo work with Python 3.6 and newer versions.
 
-In Python 3.6, flags like re.DOTALL became members of an enum.IntFlag so
-usages like ``getattr(re, 'DOTALL')`` are invalid.
-
 Also, remove the ``LOCALE`` option since it doesn't work with string
 patterns in Python 3.
 

Misc/NEWS.d/3.7.0a3.rst

@@ -1567,9 +1567,6 @@ and Subversion are no longer used to develop CPython.
 
 Make redemo work with Python 3.6 and newer versions.
 
-In Python 3.6, flags like re.DOTALL became members of an enum.IntFlag so
-usages like ``getattr(re, 'DOTALL')`` are invalid.
-
 Also, remove the ``LOCALE`` option since it doesn't work with string
 patterns in Python 3.