Remove NEWS, add period

Author: cmaloney

Include/internal/pycore_unicodeobject.h

@@ -450,7 +450,7 @@ extern void _PyUnicode_InternStatic(PyInterpreterState *interp, PyObject **);
 extern void _PyUnicode_ClearInterned(PyInterpreterState *interp);
 
 // Like PyUnicode_AsUTF8(), but check for embedded null characters.
-// Export for '_sqlite3' shared extension, and for Argument Clinic code
+// Export for '_sqlite3' shared extension, and for Argument Clinic code.
 PyAPI_FUNC(const char *) _PyUnicode_AsUTF8NoNUL(PyObject *);