High Level Assembler declaration for MQDMPO

Delete message property options structure - Assembler language declaration

MQDMPO                      DSECT
MQDMPO_STRUCID              DS   CL4  Structure identifier
MQDMPO_VERSION              DS   F    Structure version number
MQDMPO_OPTIONS              DS   F    Options that control the
*                                    action of MQDLTMP
MQDMPO_LENGTH               EQU  *-MQDMPO
MQDMPO_AREA                 DS   CL(MQDMPO_LENGTH)