clean up import on job controller

Author: gy2006

core/src/main/java/com/flowci/core/job/controller/JobController.java

@@ -19,21 +19,16 @@
 import com.flowci.core.auth.annotation.Action;
 import com.flowci.core.common.manager.SessionManager;
 import com.flowci.core.flow.domain.Flow;
-import com.flowci.core.flow.domain.FlowYml;
 import com.flowci.core.flow.service.YmlService;
 import com.flowci.core.job.domain.*;
 import com.flowci.core.job.domain.Job.Trigger;
 import com.flowci.core.job.service.ReportService;
-import com.flowci.core.user.domain.User;
-import com.flowci.exception.NotFoundException;
-import com.flowci.util.StringHelper;
 import org.springframework.core.task.TaskExecutor;
 import org.springframework.data.domain.Page;
 import org.springframework.http.MediaType;
 import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.*;
 
-import java.util.Base64;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.List;