chore: rm one more dom

Author: zombieJ

src/UniqueProvider/MotionContent.tsx

@@ -14,7 +14,6 @@ import useTargetState from './useTargetState';
 import { isDOM } from '@rc-component/util/lib/Dom/findDOMNode';
 import FloatBg from './FloatBg';
 import classNames from 'classnames';
-import MotionContent from './MotionContent';
 import { getAlignPopupClassName } from '../util';
 
 export interface UniqueProviderProps {
@@ -172,11 +171,7 @@ const UniqueProvider = ({ children }: UniqueProviderProps) => {
             ref={setPopupRef}
             portal={Portal}
             prefixCls={prefixCls}
-            popup={
-              <MotionContent prefixCls={prefixCls} key={popupId}>
-                {options.popup}
-              </MotionContent>
-            }
+            popup={options.popup}
             className={classNames(
               options.popupClassName,
               alignedClassName,