doc: remove redundant 'Example:' and similar notes

Some nits were also fixed in passing.

PR-URL: https://github.com/nodejs/node/pull/22537
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

1 files changed, 0 insertions, 6 deletions

diff --git a/doc/api/domain.md b/doc/api/domain.md
index 8a0f383934b..8227f9eb186 100644
--- a/doc/api/domain.md
+++ b/doc/api/domain.md
@@ -311,8 +311,6 @@ The returned function will be a wrapper around the supplied callback
 function. When the returned function is called, any errors that are
 thrown will be routed to the domain's `'error'` event.
 
-#### Example
-
 ```js
 const d = domain.create();
 
@@ -370,8 +368,6 @@ objects sent as the first argument to the function.
 In this way, the common `if (err) return callback(err);` pattern can be replaced
 with a single error handler in a single place.
 
-#### Example
-
 ```js
 const d = domain.create();
 
@@ -415,8 +411,6 @@ the function.
 
 This is the most basic way to use a domain.
 
-Example:
-
 ```js
 const domain = require('domain');
 const fs = require('fs');