chore: remove dead links (#11173) [ci skip]

Author: xiaodong2008

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

@@ -13,7 +13,6 @@ import {
 } from '../src/index'
 import { createApp, nodeOps, render, serialize } from '@vue/runtime-test'
 
-// reference: https://vue-composition-api-rfc.netlify.com/api.html#provide-inject
 describe('api: provide/inject', () => {
   it('string keys', () => {
     const Provider = {

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

@@ -24,8 +24,6 @@ import {
   TriggerOpTypes,
 } from '@vue/reactivity'
 
-// reference: https://vue-composition-api-rfc.netlify.com/api.html#lifecycle-hooks
-
 describe('api: lifecycle hooks', () => {
   it('onBeforeMount', () => {
     const root = nodeOps.createElement('div')

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

@@ -12,8 +12,6 @@ import {
   watchEffect,
 } from '@vue/runtime-test'
 
-// reference: https://vue-composition-api-rfc.netlify.com/api.html#setup
-
 describe('api: setup context', () => {
   it('should expose return values to template render context', () => {
     const Comp = defineComponent({

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

@@ -35,8 +35,6 @@ import {
   triggerRef,
 } from '@vue/reactivity'
 
-// reference: https://vue-composition-api-rfc.netlify.com/api.html#watch
-
 describe('api: watch', () => {
   it('effect', async () => {
     const state = reactive({ count: 0 })

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

@@ -10,8 +10,6 @@ import {
   shallowRef,
 } from '@vue/runtime-test'
 
-// reference: https://vue-composition-api-rfc.netlify.com/api.html#template-refs
-
 describe('api: template refs', () => {
   it('string ref mount', () => {
     const root = nodeOps.createElement('div')