remove unused import

Author: TilmanNeumann

src/main/java/de/tilman_neumann/jml/factor/siqs/sieve/Sieve03hU.java

@@ -17,7 +17,6 @@
 import static de.tilman_neumann.jml.factor.base.GlobalFactoringOptions.*;
 
 import java.math.BigInteger;
-import java.util.Arrays;
 
 import org.apache.logging.log4j.Logger;
 import org.apache.logging.log4j.LogManager;