删除无用代码。

ruoyi-sim/src/main/java/com/ruoyi/sim/controller/ExamCollectionController.java

@@ -1,16 +0,0 @@
-package com.ruoyi.sim.controller;
-
-import com.ruoyi.common.core.domain.AjaxResult;
-import io.swagger.annotations.Api;
-import io.swagger.annotations.ApiOperation;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
-
-@Api("考试集合Controller")
-@RestController
-@RequestMapping("/sim/exam-collection")
-public class ExamCollectionController {
-
-
-}