doc: edit stream module introduction

Edit the stream module introduction for concision and simplicity.

PR-URL: #28595
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Yongsheng Zhang <[email protected]>
Reviewed-By: Ruben Bridgewater <[email protected]>
Reviewed-By: Trivikram Kamat <[email protected]>

doc/api/stream.md

@@ -5,8 +5,7 @@
 > Stability: 2 - Stable
 
 A stream is an abstract interface for working with streaming data in Node.js.
-The `stream` module provides a base API that makes it easy to build objects
-that implement the stream interface.
+The `stream` module provides an API for implementing the stream interface.
 
 There are many stream objects provided by Node.js. For instance, a
 [request to an HTTP server][http-incoming-message] and [`process.stdout`][]
@@ -15,16 +14,14 @@ are both stream instances.
 Streams can be readable, writable, or both. All streams are instances of
 [`EventEmitter`][].
 
-The `stream` module can be accessed using:
+To access the `stream` module:
 
 ```js
 const stream = require('stream');
 ```
 
-While it is important to understand how streams work, the `stream` module itself
-is most useful for developers that are creating new types of stream instances.
-Developers who are primarily *consuming* stream objects will rarely need to use
-the `stream` module directly.
+The `stream` module is useful for creating new types of stream instances. It is
+usually not necessary to use the `stream` module to consume streams.
 
 ## Organization of this Document