message: docs(aio): fix jade leftover from toh5
diff: @@ -922,14 +922,12 @@ Use an ES `import` statement *and* add it to the `NgModule.imports` list.
  Here is the revised `AppModule`, compared to its pre-refactor state:
  -+makeTabs(
  - `toh-5/ts/src/app/app.module.ts, toh-5/ts/src/app/app.module.3.ts`,
  - null,
  - `src/app/app.module.ts (after), src/app/app.module.ts (before)`)
  -:marked
  - The revised and simplified `AppModule` is focused on identifying the key pieces of the app.
  -
  +<code-tabs>
  + <code-pane path="toh-5/src/app/app.module.ts" title="src/app/app.module.ts (after)"></code-pane>
  + <code-pane path="toh-5/src/app/app.module.3.ts" title="src/app/app.module.ts (before)"></code-pane>
  +</code-tabs>
  +The revised and simplified `AppModule` is focused on identifying the key pieces of the app.
  ## Select a hero in the *HeroesComponent*
  