doc: standardize versions in stream module doc

Refer to Node.js versions without a prepended `v`. This was standardized
on previously to avoid confusion between Node.js 8 and the V8 JavaScript
engine. (`Node.js 8` is clear. `v8` or even `Node.js v8`, not so much.)

PR-URL: nodejs#23306
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

doc/api/stream.md

@@ -1205,9 +1205,8 @@ added: v0.9.4
 * `stream` {Stream} An "old style" readable stream
 * Returns: {this}
 
-Versions of Node.js prior to v0.10 had streams that did not implement the
-entire `stream` module API as it is currently defined. (See [Compatibility][]
-for more information.)
+Prior to Node.js 0.10, streams did not implement the entire `stream` module API
+as it is currently defined. (See [Compatibility][] for more information.)
 
 When using an older Node.js library that emits [`'data'`][] events and has a
 [`stream.pause()`][stream-pause] method that is advisory only, the
@@ -2325,8 +2324,8 @@ primarily for examples and testing, but there are some use cases where
 
 <!--type=misc-->
 
-In versions of Node.js prior to v0.10, the `Readable` stream interface was
-simpler, but also less powerful and less useful.
+Prior to Node.js 0.10, the `Readable` stream interface was simpler, but also
+less powerful and less useful.
 
 * Rather than waiting for calls the [`stream.read()`][stream-read] method,
   [`'data'`][] events would begin emitting immediately. Applications that
@@ -2336,7 +2335,7 @@ simpler, but also less powerful and less useful.
   guaranteed. This meant that it was still necessary to be prepared to receive
   [`'data'`][] events *even when the stream was in a paused state*.
 
-In Node.js v0.10, the [`Readable`][] class was added. For backwards
+In Node.js 0.10, the [`Readable`][] class was added. For backwards
 compatibility with older Node.js programs, `Readable` streams switch into
 "flowing mode" when a [`'data'`][] event handler is added, or when the
 [`stream.resume()`][stream-resume] method is called. The effect is that, even
@@ -2366,9 +2365,8 @@ net.createServer((socket) => {
 }).listen(1337);
 ```
 
-In versions of Node.js prior to v0.10, the incoming message data would be
-simply discarded. However, in Node.js v0.10 and beyond, the socket remains
-paused forever.
+Prior to Node.js 0.10, the incoming message data would be simply discarded.
+However, in Node.js 0.10 and beyond, the socket remains paused forever.
 
 The workaround in this situation is to call the
 [`stream.resume()`][stream-resume] method to begin the flow of data:
@@ -2386,7 +2384,7 @@ net.createServer((socket) => {
 ```
 
 In addition to new `Readable` streams switching into flowing mode,
-pre-v0.10 style streams can be wrapped in a `Readable` class using the
+pre-0.10 style streams can be wrapped in a `Readable` class using the
 [`readable.wrap()`][`stream.wrap()`] method.
 
 ### `readable.read(0)`