fix(gameEvent): 修复排行榜页面多余的换行符

移除了 RankingBoardPage.vue 文件中多余的数字 "8"，
该问题导致页面渲染出现异常的换行显示。

src/views/system/gameEvent/RankingBoardPage.vue

@@ -185,7 +185,7 @@
     </el-row>
   </div>
 </template>
-8
+
 <script setup lang="ts">
 import { ref, computed, onMounted, onUnmounted, getCurrentInstance, toRefs } from 'vue';
 import { listScoreRanking, listPersonalRanking, listTeamRanking } from '@/api/system/gameEvent/eventRank';