gh-142533: Ensure CRLF is mentioned in the security consideration section only

Author: tadejmagajna

Doc/library/http.server.rst

@@ -287,9 +287,7 @@ instantiation, of which this module provides three different variants:
       specifying its value. Note that, after the send_header calls are done,
       :meth:`end_headers` MUST BE called in order to complete the operation.
 
-      This method does not reject input containing CRLF sequences allowing the
-      possibility of CRLF injection, where a single method call can inject
-      multiple arbitrary headers.
+      This method does not reject input containing CRLF sequences.
 
       .. versionchanged:: 3.2
          Headers are stored in an internal buffer.

Doc/library/wsgiref.rst

@@ -263,9 +263,7 @@ manipulation of WSGI response headers using a mapping-like interface.
 
          Content-Disposition: attachment; filename="bud.gif"
 
-      This method does not reject input containing CRLF sequences allowing the
-      possibility of CRLF injection, where a single method call can inject
-      multiple arbitrary headers.
+      This method does not reject input containing CRLF sequences.
 
    .. versionchanged:: 3.5
       *headers* parameter is optional.