去除sku必填标识

src/views/business/goods/add.vue

@@ -58,7 +58,7 @@
       <el-divider content-position="left">价格库存</el-divider>
       <el-row>
         <el-col :span="23">
-          <el-form-item label="启用多SKU:" prop="multiSku">
+          <el-form-item label="启用多SKU:">
             <el-switch
               v-model="addData.multiSku"
               :active-value="1"