[MERGE] simple bash completion fix

[Aaron Bentley]

Aaron Bentley has voted -0.
Status is now: Waiting
Comment:
Since we have a VCS, don't comment-out code; just delete it.  Otherwise, 
this looks like a fine bugfix.  Ultimately it would be nice to generate 
the list of commands to a file, and to use bzrlib to do it.

For details, see: 
http://bundlebuggy.aaronbentley.com/request/%3C200705141434.08738.gree%40grees.net%3E