19/10/15 rm unuseful code

Author: Anemone95

src/main/java/org/joychou/controller/SQLI.java

@@ -5,10 +5,8 @@
 import org.joychou.dao.User;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
-import org.springframework.context.annotation.Configuration;
 import org.springframework.web.bind.annotation.*;
 
-import javax.servlet.http.HttpServletRequest;
 import java.sql.*;
 import java.util.List;