Remove unused IOException import from DataStore4jFixture

src/main/java/com/benchmark/fixtures/DataStore4jFixture.java

@@ -8,7 +8,6 @@ import io.github.theuntamed839.datastore4j.db.DB;
 import io.github.theuntamed839.datastore4j.db.DataStore4J;
 import io.github.theuntamed839.datastore4j.db.DbOptions;
 
-import java.io.IOException;
 import java.nio.ByteBuffer;
 import java.nio.ByteOrder;
 import java.nio.file.Files;