Back out fix for issue #13886; it introduced a new bug in interactive readline use.

diff --cc Lib/test/test_builtin.py
Simple merge

diff --cc Misc/NEWS
index 77c4f1d54a85234d0c262a8342dc3ab77d91194e,420056ed3ab28b2c245f98e521e96a598c113047..e89f83e4b6a784692b7ddc2c5afaf227f925a799
--- 1/Misc/NEWS
--- 2/Misc/NEWS
+++ b/Misc/NEWS
@@@ -12,15 -10,8 +12,11 @@@ What's New in Python 3.3.1
  Core and Builtins
  -----------------
  
 +- Issue #17098: All modules now have __loader__ set even if they pre-exist the
 +  bootstrapping of importlib.
 +
  - Issue #16979: Fix error handling bugs in the unicode-escape-decode decoder.
  
- - Issue #13886: Fix input() to not strip out input bytes that cannot be decoded
-   using the locale encoding. Also fix sporadic failures in test_builtin due to
-   dependence on whether the readline module has previously been imported.
- 
  - Issue #10156: In the interpreter's initialization phase, unicode globals
    are now initialized dynamically as needed.
  

diff --cc Modules/readline.c
Simple merge