angstrom-preferred-versions: remove more entries, bitbake -s gets now as far as:

angstrom-preferred-versions: remove more entries, bitbake -s gets now as far as:
httppc                                   0:0.8.5-r0                0:.-8
htun                                     0:0.9.5-r0                0:.-9
hugs                            0:hugs98-Nov2003-r2
Traceback (most recent call last):
  File "/data/build/oe/bitbake/bin/bitbake", line 134, in <module>
    main()
  File "/data/build/oe/bitbake/bin/bitbake", line 131, in main
    cooker.cook()
  File "/data/build/oe/bitbake/lib/bb/cooker.py", line 553, in cook
    self.showVersions()
  File "/data/build/oe/bitbake/lib/bb/cooker.py", line 153, in showVersions
    prefstr = pref[0][0] + ":" + pref[0][1] + '-' + pref[0][2]
IndexError: string index out of range