make sure we can only drop files from correct file group


mysql-test/r/ndb_dd_ddl.result:
  add testcase
mysql-test/t/ndb_dd_ddl.test:
  add testcase
sql/ha_ndbcluster.cc:
  Make sure correct tablespace for dropping datafile
storage/ndb/include/ndbapi/NdbDictionary.hpp:
  Cleanup {data/undo}file get{tablespace/logfilegroup}
storage/ndb/src/ndbapi/NdbDictionary.cpp:
  Cleanup {data/undo}file get{tablespace/logfilegroup}
storage/ndb/src/ndbapi/NdbDictionaryImpl.hpp:
  Cleanup {data/undo}file get{tablespace/logfilegroup}
storage/ndb/tools/restore/consumer_restore.cpp:
  Cleanup {data/undo}file get{tablespace/logfilegroup}