Drop duplicates as a subset of two columns

[slacayo]

I have a table, I am trying to drop duplicates if they apply to two specific columns

LOAD * INLINE [
 Onum, CID,    Date  
  516,   1,   2020-10-05
  557,   2,   2021-04-09
  667,   3,   2020-11-15
  333,   1,   2021-12-05
  788,   3,   2021-02-08
  667,   3,   2021-04-04
  556,   2,   2020-10-31
  556,   3,   2021-08-09
  556,   3,   2021-09-09
  333,   1,   2021-09-09
  444,   1,   2020-10-01
  516    1,   2020-10-06
]; 

I want to remove the rows if the `ONUM` and `CID` are the same, nothing else. I don't really care if the first, or last is kept, as long as theres one distinct. Thanks!

Result: 

LOAD * INLINE [
Onum,CID, Date  
516, 1, 2020-10-05
557, 2, 2021-04-09
667, 3, 2020-11-15
788, 3, 2021-02-08
556, 2, 2020-10-31
556, 3, 2021-08-09
333, 1, 2021-09-09
444, 1, 2020-10-01
   
];

[Or]

Load Onum, CID, Date(Max(Date)) as Date
Group by Onum, CID;
LOAD * INLINE [
 Onum, CID,    Date  
  516,   1,   2020-10-05
  557,   2,   2021-04-09
  667,   3,   2020-11-15
  333,   1,   2021-12-05
  788,   3,   2021-02-08
  667,   3,   2021-04-04
  556,   2,   2020-10-31
  556,   3,   2021-08-09
  556,   3,   2021-09-09
  333,   1,   2021-09-09
  444,   1,   2020-10-01
  516    1,   2020-10-06
];