doc: compact eslint directives in common/README

Backport-PR-URL: #20456
PR-URL: #17971
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Khaidi Chu <i@2333.moe>
Reviewed-By: Jon Moss <me@jonathanmoss.me>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>

Author: vsemozhetbyt

test/common/README.md

@@ -509,10 +509,7 @@ Returns the result of
 The http2.js module provides a handful of utilities for creating mock HTTP/2
 frames for testing of HTTP/2 endpoints
 
-<!-- eslint-disable strict -->
-<!-- eslint-disable required-modules -->
-<!-- eslint-disable no-unused-vars -->
-<!-- eslint-disable no-undef -->
+<!-- eslint-disable no-undef, no-unused-vars, required-modules, strict -->
 ```js
 const http2 = require('../common/http2');
 ```
@@ -522,10 +519,7 @@ const http2 = require('../common/http2');
 The `http2.Frame` is a base class that creates a `Buffer` containing a
 serialized HTTP/2 frame header.
 
-<!-- eslint-disable strict -->
-<!-- eslint-disable required-modules -->
-<!-- eslint-disable no-unused-vars -->
-<!-- eslint-disable no-undef -->
+<!-- eslint-disable no-undef, no-unused-vars, required-modules, strict -->
 ```js
 // length is a 24-bit unsigned integer
 // type is an 8-bit unsigned integer identifying the frame type
@@ -544,10 +538,7 @@ The serialized `Buffer` may be retrieved using the `frame.data` property.
 The `http2.DataFrame` is a subclass of `http2.Frame` that serializes a `DATA`
 frame.
 
-<!-- eslint-disable strict -->
-<!-- eslint-disable required-modules -->
-<!-- eslint-disable no-unused-vars -->
-<!-- eslint-disable no-undef -->
+<!-- eslint-disable no-undef, no-unused-vars, required-modules, strict -->
 ```js
 // id is the 32-bit stream identifier
 // payload is a Buffer containing the DATA payload
@@ -564,10 +555,7 @@ socket.write(frame.data);
 The `http2.HeadersFrame` is a subclass of `http2.Frame` that serializes a
 `HEADERS` frame.
 
-<!-- eslint-disable strict -->
-<!-- eslint-disable required-modules -->
-<!-- eslint-disable no-unused-vars -->
-<!-- eslint-disable no-undef -->
+<!-- eslint-disable no-undef, no-unused-vars, required-modules, strict -->
 ```js
 // id is the 32-bit stream identifier
 // payload is a Buffer containing the HEADERS payload (see either
@@ -585,10 +573,7 @@ socket.write(frame.data);
 The `http2.SettingsFrame` is a subclass of `http2.Frame` that serializes an
 empty `SETTINGS` frame.
 
-<!-- eslint-disable strict -->
-<!-- eslint-disable required-modules -->
-<!-- eslint-disable no-unused-vars -->
-<!-- eslint-disable no-undef -->
+<!-- eslint-disable no-undef, no-unused-vars, required-modules, strict -->
 ```js
 // ack is a boolean indicating whether or not to set the ACK flag.
 const frame = new http2.SettingsFrame(ack);
@@ -601,10 +586,7 @@ socket.write(frame.data);
 Set to a `Buffer` instance that contains a minimal set of serialized HTTP/2
 request headers to be used as the payload of a `http2.HeadersFrame`.
 
-<!-- eslint-disable strict -->
-<!-- eslint-disable required-modules -->
-<!-- eslint-disable no-unused-vars -->
-<!-- eslint-disable no-undef -->
+<!-- eslint-disable no-undef, no-unused-vars, required-modules, strict -->
 ```js
 const frame = new http2.HeadersFrame(1, http2.kFakeRequestHeaders, 0, true);
 
@@ -616,10 +598,7 @@ socket.write(frame.data);
 Set to a `Buffer` instance that contains a minimal set of serialized HTTP/2
 response headers to be used as the payload a `http2.HeadersFrame`.
 
-<!-- eslint-disable strict -->
-<!-- eslint-disable required-modules -->
-<!-- eslint-disable no-unused-vars -->
-<!-- eslint-disable no-undef -->
+<!-- eslint-disable no-undef, no-unused-vars, required-modules, strict -->
 ```js
 const frame = new http2.HeadersFrame(1, http2.kFakeResponseHeaders, 0, true);
 
@@ -631,10 +610,7 @@ socket.write(frame.data);
 Set to a `Buffer` containing the preamble bytes an HTTP/2 client must send
 upon initial establishment of a connection.
 
-<!-- eslint-disable strict -->
-<!-- eslint-disable required-modules -->
-<!-- eslint-disable no-unused-vars -->
-<!-- eslint-disable no-undef -->
+<!-- eslint-disable no-undef, no-unused-vars, required-modules, strict -->
 ```js
 socket.write(http2.kClientMagic);
 ```