refactor(inventoryTable): 移除单重表头插槽配置

src/BIZComponents/inventoryTable.vue

@@ -1325,7 +1325,6 @@
             prop: 'singleWeight',
             label: '单重',
             slot: 'singleWeight',
-            headerSlot: 'headerSingleWeight',
             align: 'center'
           },
           {