Comment 4 for bug 926811

As of 2012-02-22, ubuntu-desktop does not depend on gwibber, and this issue is resolved:

# apt-get purge gwibber* libgwibber*
Reading package lists... Done
Building dependency tree
Reading state information... Done
[...]
The following packages will be REMOVED
  gwibber* gwibber-service* gwibber-service-facebook* gwibber-service-identica*
  gwibber-service-twitter* libgwibber-gtk2* libgwibber1* libgwibber2*
0 upgraded, 0 newly installed, 8 to remove and 1 not upgraded.
After this operation, 1,868 kB disk space will be freed.
Do you want to continue [Y/n]?
(Reading database ... 231918 files and directories currently installed.)
Removing gwibber ...