feat: remove IPublicTypeFieldExtraProps.virtual definition

docs/docs/guide/expand/editor/metaSpec.md

@@ -460,7 +460,6 @@ import parse from '@alilc/lowcode-material-parser';
 {
   name: 'back',
   title: ' ',
-  virtual: () => true,
   display: 'plain',
   setter: BackwardSetter,
 }

packages/types/src/shell/type/field-extra-props.ts

@@ -43,11 +43,6 @@ export interface IPublicTypeFieldExtraProps {
    */
   autorun?: (target: IPublicModelSettingField) => void;
 
-  /**
-   * is this field is a virtual field that not save to schema
-   */
-  virtual?: (target: IPublicModelSettingField) => boolean;
-
   /**
    * default collapsed when display accordion
    */