test: remove module augmentation test which does not work in the setup

test-dts/defineComponent.test-d.tsx

@@ -15,12 +15,6 @@ import {
   h
 } from './index'
 
-declare module 'vue' {
-  interface ComponentCustomProps {
-    hello?: string
-  }
-}
-
 describe('with object props', () => {
   interface ExpectedProps {
     a?: number | undefined
@@ -301,7 +295,6 @@ describe('with object props', () => {
       fff={(a, b) => ({ a: a > +b })}
       hhh={false}
       jjj={() => ''}
-      hello="hello"
     />
   )