chore: remove unused ts-expect-error

Author: yyx990803

packages/runtime-core/__tests__/apiOptions.spec.ts

@@ -790,10 +790,8 @@ describe('api: options', () => {
       data() {},
     }
     defineComponent({
-      // @ts-expect-error edge case after #7963, unlikely to happen in practice
       // since the user will want to type the mixins themselves.
       mixins: [defineComponent(MixinA), defineComponent(MixinB)],
-      // @ts-expect-error
       data() {},
     })
   })