refactor(mobile_promotion): 执行中改成执行状态文字

src/mobile_views/promotion/index.vue

@@ -215,7 +215,7 @@ const planColumns = [
     value: 'NOT_EXECUTION'
   },
   {
-    text: '执行中',
+    text: '执行',
     value: 'EXECUTION'
   }
 ]