doc,lib: fix lint issues

doc/api/quic.md

@@ -1118,8 +1118,8 @@ added: REPLACEME
   * `length` {number} The amount of data from the fd to send.
     Default: `-1`.
 
-Instead of using a `Quicstream` as a writable stream, send data from a given file
-descriptor.
+Instead of using a `Quicstream` as a writable stream, send data from a given
+file descriptor.
 
 If `offset` is set to a non-negative number, reading starts from that position
 and the file offset will not be advanced.
@@ -1146,8 +1146,8 @@ added: REPLACEME
   * `length` {number} The amount of data from the fd to send.
     Default: `-1`.
 
-Instead of using a `QuicStream` as a writable stream, send data from a given file
-path.
+Instead of using a `QuicStream` as a writable stream, send data from a given
+file path.
 
 The `options.onError` callback will be called if the file could not be opened.
 If `offset` is set to a non-negative number, reading starts from that position.

lib/internal/quic/core.js

@@ -21,7 +21,6 @@ const {
   validateQuicClientSessionOptions,
   validateQuicSocketOptions,
 } = require('internal/quic/util');
-const { validateNumber } = require('internal/validators');
 const util = require('util');
 const assert = require('internal/assert');
 const EventEmitter = require('events');