INT 6F - 10NET v3.3+ - DELETE SHARED DEVICE ENTRY
        AX = 1503h
        BX = zero-based index
        DS:SI -> node ID, 12 bytes blank-padded
Return: CF clear if successful
        CF set on error
            AX = error code (see AH=00h)
SeeAlso: AX=1501h,AX=1502h,AX=9503h

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