remove duplicate findNonEmptyClosestAncestor

apps/app/src/server/models/page.ts

@@ -81,7 +81,6 @@ export interface PageModel extends Model<PageDocument> {
     templateBody?: string,
     templateTags?: string[],
   }>
-  findNonEmptyClosestAncestor(path: string): Promise<PageDocument | undefined>
 
   PageQueryBuilder: typeof PageQueryBuilder