unnecessary import removed

rest-api/src/main/java/lcsb/mapviewer/api/users/UserRestImpl.java

@@ -7,7 +7,6 @@ import java.util.Map;
 import java.util.Set;
 import java.util.TreeMap;
 
-import net.bytebuddy.asm.Advice;
 import org.apache.log4j.Logger;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;