* sierra.c: '#if 0' some code that I don't think is needed at all.
* library.c (sierra_init): Logs show that sierra_init does not
start a new session (i.e. no 0x53 instead of 0x43 needed).
git-svn-id: https://svn.code.sf.net/p/gphoto/code/trunk/libgphoto2@4562 67ed7778-7388-44ab-90cf-0a291f65f57c