revert py_libtorrent renaming for python binding

bindings/python/test.py

@@ -1,10 +1,6 @@
 #!/usr/bin/env python
 
-# this name "py_libtorrent" is the name produced by the Jamfile. The setup.py
-# will actually name it libtorrent for the distro. It's only called
-# py_libtorrent here to be able to coexist with the main libtorrent.so on linux
-# (which otherwise would have the same name in the same directory)
-import py_libtorrent as lt
+import libtorrent as lt
 
 import unittest