doc: fix common typo involving one-time listeners

Our docs use both "one time listener" and "one-time listener". The
second is more correct. Standardize on that.

PR-URL: #17502
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Anatoli Papirovski <apapirovski@mac.com>
Reviewed-By: Jon Moss <me@jonathanmoss.me>
Reviewed-By: Minwoo Jung <minwoo@nodesource.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

doc/api/events.md

@@ -404,7 +404,7 @@ added: v0.3.0
 * `eventName` {string|symbol} The name of the event.
 * `listener` {Function} The callback function
 
-Adds a **one time** `listener` function for the event named `eventName`. The
+Adds a **one-time** `listener` function for the event named `eventName`. The
 next time `eventName` is triggered, this listener is removed and then invoked.
 
 ```js
@@ -459,7 +459,7 @@ added: v6.0.0
 * `eventName` {string|symbol} The name of the event.
 * `listener` {Function} The callback function
 
-Adds a **one time** `listener` function for the event named `eventName` to the
+Adds a **one-time** `listener` function for the event named `eventName` to the
 *beginning* of the listeners array. The next time `eventName` is triggered, this
 listener is removed, and then invoked.
 

doc/api/http.md

@@ -1570,7 +1570,7 @@ This function allows one to transparently issue requests.
 `options` can be an object or a string. If `options` is a string, it is
 automatically parsed with [`url.parse()`][].
 
-The optional `callback` parameter will be added as a one time listener for
+The optional `callback` parameter will be added as a one-time listener for
 the [`'response'`][] event.
 
 `http.request()` returns an instance of the [`http.ClientRequest`][]

doc/api/net.md

@@ -694,7 +694,7 @@ or [`destroy()`][] the socket.
 
 If `timeout` is 0, then the existing idle timeout is disabled.
 
-The optional `callback` parameter will be added as a one time listener for the
+The optional `callback` parameter will be added as a one-time listener for the
 [`'timeout'`][] event.
 
 ### socket.unref()