Remove duplicates from file cleanup script

    with open(file,"r") as fp:

        for line in fp:

            for item in line.split():

                if "$TESTV_PATH" in item or "$REF_PATH" in item:

                if "$TESTV_PATH" in item or "$REF_PATH" in item and Path(item).name not in used_files:

                    used_files.append(Path(item).name)

print(f"Identified {len(used_files)} files from scripts")