[issue24199] Idle: remove idlelib.idlever.py and its use in About dialog

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

Are there third-party IDLE plugins? If yes, this change can break them.

----------
nosy: +serhiy.storchaka

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue24199>
_______________________________________