fix(用例管理): 修复导出没有表格格式问题

--bug=1047747 --user=郭雨琦 https://www.tapd.cn/55049933/bugtrace/bugs/view/1155049933001047747

backend/services/case-management/src/main/java/io/metersphere/functional/service/FunctionalCaseFileService.java

@@ -77,9 +77,6 @@ import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
 import java.util.*;
 import java.util.concurrent.atomic.AtomicInteger;
-import java.util.regex.MatchResult;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
 import java.util.stream.Collectors;
 
 /**
@@ -861,22 +858,9 @@ public class FunctionalCaseFileService {
     }
 
     public String parseHtml(String html) {
-        Pattern pattern = Pattern.compile("<p[^>]*>(.*?)</p>");
-        Matcher matcher = pattern.matcher(html);
-        StringBuilder result = new StringBuilder();
-        List<MatchResult> list = matcher.results().toList();
-        if (CollectionUtils.isNotEmpty(list)) {
-            for (MatchResult matchResult : list) {
-                result.append(matchResult.group(1));
-            }
-        } else {
-            result.append(html);
-        }
-
-        return result.toString();
+        return html.replaceAll("</?p[^>]*>", "");
     }
 
-
     /**
      * 获取模块map
      *