don't store keys in normalized form
instead save everythings as normal attributes               


ndb/src/kernel/blocks/backup/Backup.cpp:
  Remove special handling of keys, that was build to support
   tables where keys was only stored in ACC
ndb/src/kernel/blocks/backup/Backup.hpp:
  Remove special handling of keys, that was build to support
   tables where keys was only stored in ACC
ndb/src/kernel/blocks/backup/BackupInit.cpp:
  Remove special handling of keys, that was build to support
   tables where keys was only stored in ACC
ndb/tools/restore/Restore.cpp:
  Remove special handling of keys, that was build to support
   tables where keys was only stored in ACC
ndb/tools/restore/Restore.hpp:
  Remove special handling of keys, that was build to support
   tables where keys was only stored in ACC