MLOG_COMP_REC_SEC_DELETE_MARK with MLOG_REC_SEC_DELETE_MARK
in order to reduce the space occupied by the redo log.


innobase/btr/btr0cur.c:
  Replace MLOG_COMP_REC_SEC_DELETE_MARK with MLOG_REC_SEC_DELETE_MARK
  and eliminate redundant dict_index_t* parameters.
innobase/ibuf/ibuf0ibuf.c:
  Remove unnecessary parameter to btr_cur_del_unmark_for_ibuf()
innobase/include/btr0cur.h:
  Remove unnecessary dict_index_t* parameters
innobase/include/mtr0mtr.h:
  Note that MLOG_COMP_REC_SEC_DELETE_MARK is obsolete
innobase/log/log0recv.c:
  recv_parse_or_apply_log_rec_body():
  Ignore the index information in MLOG_COMP_REC_SEC_DELETE_MARK.
  Add assertions about page_is_comp().