remove unused use

Author: molpopgen

src/provenance.rs

@@ -327,7 +327,6 @@ mod test_provenances {
 
     #[test]
     fn test_add_rows() {
-        use crate::provenance::*;
         let records = vec!["banana".to_string(), "split".to_string()];
         let mut tables = crate::TableCollection::new(10.).unwrap();
         for (i, r) in records.iter().enumerate() {