relicense to LGPLv2+

remove the copy notes, we have retained the copyright of rafael anyway and he is in the relicense script

Michal agreed

cullmann@altair:/local/cullmann/kf5/src/kate> ../kde-dev-scripts/relicensecheck.pl part/schema/katecategorydrawer.cpp
Need permission for licensing:

- +eV: michalhumpula

- lgplv23: michalhumpula

- lgplv2+: michalhumpula

- gplv2+: michalhumpula

- gplv23: michalhumpula

cullmann@altair:/local/cullmann/kf5/src/kate> ../kde-dev-scripts/relicensecheck.pl part/schema/katecategorydrawer.h
Need permission for licensing:

- +eV: michalhumpula
michalhumpula (   1 LOC): 51256c99,0a7f36a0

- gplv23: michalhumpula
michalhumpula (   1 LOC): 51256c99,0a7f36a0

- lgplv2+: michalhumpula
michalhumpula (   1 LOC): 51256c99,0a7f36a0

- lgplv23: michalhumpula
michalhumpula (   1 LOC): 51256c99,0a7f36a0

- gplv2+: michalhumpula
michalhumpula (   1 LOC): 51256c99,0a7f36a0