update employee field

src/entity/employee.ts

@@ -61,16 +61,6 @@ export class Employee {
   })
   hired_date: Date;
 
-  @ManyToOne(() => Employee, { nullable: true })
-  @JoinColumn({ name: 'manager_id' })
-  manager: Employee;
-
-  @Column({
-    nullable: true,
-    type: 'uuid',
-  })
-  manager_id: string;
-
   @Column({
     nullable: false,
     length: 64,