Update schema.md

Removes unused code on example

Author: devgar

docs/concept/schema.md

@@ -114,13 +114,8 @@ Sometimes you might find yourself reusing the same type multiple times.
 
 Using [reference models](/patterns/reference-models), you can name your model and use it by referencing the name:
 ```typescript
-// auth.model.ts
 import { Elysia } from 'elysia'
 
-// index.ts
-import { Elysia } from 'elysia'
-import { authModel } from './auth.model.ts'
-
 const app = new Elysia()
     .model({
         sign: t.Object({