doc: simplify sentences that use "considered"

Change many instances of "x is considered to be y" to "x is y".

PR-URL: https://github.com/nodejs/node/pull/18095
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

doc/api/child_process.md

@@ -1126,10 +1126,10 @@ process.send({ foo: 'bar', baz: NaN });
 Child Node.js processes will have a [`process.send()`][] method of their own that
 allows the child to send messages back to the parent.
 
-There is a special case when sending a `{cmd: 'NODE_foo'}` message. All messages
-containing a `NODE_` prefix in its `cmd` property are considered to be reserved
-for use within Node.js core and will not be emitted in the child's
-[`process.on('message')`][] event. Rather, such messages are emitted using the
+There is a special case when sending a `{cmd: 'NODE_foo'}` message. Messages
+containing a `NODE_` prefix in the `cmd` property are reserved for use within
+Node.js core and will not be emitted in the child's [`process.on('message')`][]
+event. Rather, such messages are emitted using the
 `process.on('internalMessage')` event and are consumed internally by Node.js.
 Applications should avoid using such messages or listening for
 `'internalMessage'` events as it is subject to change without notice.

doc/api/http.md

@@ -622,7 +622,7 @@ Once a socket is assigned to this request and is connected
 added: v0.5.9
 -->
 
-* `timeout` {number} Milliseconds before a request is considered to be timed out.
+* `timeout` {number} Milliseconds before a request times out.
 * `callback` {Function} Optional function to be called when a timeout occurs. Same as binding to the `timeout` event.
 
 Once a socket is assigned to this request and is connected

doc/api/readline.md

@@ -60,8 +60,8 @@ The `'close'` event is emitted when one of the following occur:
 
 The listener function is called without passing any arguments.
 
-The `readline.Interface` instance should be considered to be "finished" once
-the `'close'` event is emitted.
+The `readline.Interface` instance is finished once the `'close'` event is
+emitted.
 
 ### Event: 'line'
 <!-- YAML

doc/guides/maintaining-V8.md

@@ -29,8 +29,7 @@ For example, at the time of this writing:
   released as part of the Chromium **canary** builds. This branch will be
   promoted to beta next when V8 5.5 ships as stable.
 
-All older branches are considered **abandoned**, and are not maintained by the
-V8 team.
+All older branches are abandoned and are not maintained by the V8 team.
 
 ### V8 merge process overview