No, it is not something sanity checker will do. It will never “fix” anything. Please read the Sanity Check FAQ page.
You CAN easily remove those and any other tags with Batch Update. It does not matter if they have content. You simply need to use the “regular expression” option and search for lines starting with 1 REFN and include all to the end of the line. Or you can include all lines from 1 REFN to the next line beginning with “1 “. Almost anything can be changed or removed in this way.
Batch Update will always be the best tool for these changes, because with that one tool you can do many different things. The alternative would be many different tools each with a single purpose. A lot of code for little use; and still the one tool you want today would be missed!