[improvement] update lint rules (#3970)

src/sku/components/SkuImgUploader.js

@@ -77,7 +77,7 @@ export default createComponent({
     }
   },
 
-  render(h) {
+  render() {
     return (
       <div class={bem()}>
         {this.value && this.renderUploader(

src/sku/components/SkuMessages.js

@@ -121,7 +121,7 @@ export default createComponent({
     }
   },
 
-  render(h) {
+  render() {
     return (
       <CellGroup class={bem()}>
         {this.messages.map((message, index) => (message.type === 'image' ? (

src/sku/components/SkuRowItem.js

@@ -35,7 +35,7 @@ export default createComponent({
     }
   },
 
-  render(h) {
+  render() {
     const choosed = this.skuValue.id === this.selectedSku[this.skuKeyStr];
     const imgUrl = this.skuValue.imgUrl || this.skuValue.img_url;
 

src/sku/components/SkuStepper.js

@@ -84,7 +84,7 @@ export default createComponent({
     }
   },
 
-  render(h) {
+  render() {
     return (
       <div class="van-sku-stepper-stock">
         <div class="van-sku-stepper-container">