chore: examples not using secio (#747)

* chore: examples not using secio

* chore(docs): remove unused dep

* chore(docs): remove reference of secio in setup

* chore(docs): replace circuit secio reference with noise

Co-authored-by: Jacob Heun <jacobheun@gmail.com>

examples/chat/src/libp2p-bundle.js

@@ -3,7 +3,6 @@
 const TCP = require('libp2p-tcp')
 const WS = require('libp2p-websockets')
 const mplex = require('libp2p-mplex')
-const SECIO = require('libp2p-secio')
 const { NOISE } = require('libp2p-noise')
 const defaultsDeep = require('@nodeutils/defaults-deep')
 const libp2p = require('../../..')
@@ -17,7 +16,7 @@ class Node extends libp2p {
           WS
         ],
         streamMuxer: [ mplex ],
-        connEncryption: [ NOISE, SECIO ]
+        connEncryption: [ NOISE ]
       }
     }
 

examples/chat/src/listener.js

@@ -1,7 +1,6 @@
 'use strict'
 /* eslint-disable no-console */
 
-const multaddr = require('multiaddr')
 const PeerId = require('peer-id')
 const Node = require('./libp2p-bundle.js')
 const { stdinToStream, streamToConsole } = require('./stream')

examples/chat/src/stream.js

@@ -3,7 +3,6 @@
 
 const pipe = require('it-pipe')
 const lp = require('it-length-prefixed')
-const uint8ArrayToString = require('uint8arrays/to-string')
 
 function stdinToStream(stream) {
   // Read utf-8 from stdin