Revert "feat: support name prop (react-component#574)"

This reverts commit d94d644.

src/AjaxUploader.tsx

@@ -269,7 +269,6 @@ class AjaxUploader extends Component<UploadProps> {
       classNames = {},
       disabled,
       id,
-      name,
       style,
       styles = {},
       multiple,
@@ -308,7 +307,6 @@ class AjaxUploader extends Component<UploadProps> {
         <input
           {...pickAttrs(otherProps, { aria: true, data: true })}
           id={id}
-          name={name}
           disabled={disabled}
           type="file"
           ref={this.saveFileInput}

src/Upload.tsx

@@ -11,6 +11,7 @@ class Upload extends Component<UploadProps> {
     prefixCls: 'rc-upload',
     data: {},
     headers: {},
+    name: 'file',
     multipart: false,
     onStart: empty,
     onError: empty,

tests/uploader.spec.tsx

@@ -152,12 +152,6 @@ describe('uploader', () => {
       expect(container.querySelector('input')!.id).toBe('bamboo');
     });
 
-    // https://github.com/ant-design/ant-design/issues/50643
-    it('with name', () => {
-      const { container } = render(<Upload name="bamboo" />);
-      expect(container.querySelector('input')!.name).toBe('bamboo');
-    });
-
     it('should pass through data & aria attributes', () => {
       const { container } = render(
         <Upload