Disable the current implementation of a digikam-nepomuk integration.
By information from the Nepomuk maintainer, the relevant API have been replaced. Essentially, the current code is at best not functional, at worst polluting your Nepomuk db. A new implementation needs to be written based on current APIs. BUG: 258837 BUG: 264124 BUG: 276457 CCBUG: 279404 BUG: 282918 BUG: 283168 BUG: 304052 CCBUG: 305079