- kabi/severities, rpm/kabi.pl, rpm/kernel-binary.spec.in,
    - rpm/kernel-source.spec.in: Use a simple script to check kabi by
      comparing Module.symvers files (similar to the old SLES9 one).
    - rpm/built-in-where: Delete.
    - rpm/symsets.pl: Delete.
    - kabi/commonsyms: Delete.
    - kabi/usedsyms: Delete.