remove method TabsDescr as it is no longer used
remove manual edit widget as it is no longer used
remove unused method findRelativeDefaultLinux
remove method UpdateProposalFromClient as it is unused
remove unused method splitPath
remove plilo specific options
remove unused method deleteCrashkernelFromAppend
remove unused method IsMbr and AddMbrToDescription
remove unused method compareAppends
remove handling installation to floppy
remove unused method abs and isDefaultBootSectioLinux
remove section handling from autoyast as we ignore it for grub2
remove section methods for delete duplicates and for resolving symlinks in it
remove unused method from Bootloader module
do not export or import sections from autoyast as it is handlede by grub2
remove unused method remapSections